Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Parish,Altitude,Country,Last Updated,Quality,LSOA Code,LSOA Name,LSOA Code 2021,LSOA Name 2021
SG4 9AA,Yes,51.947936,-0.273733,518743,229123,TL187291,1980-01-01,,"North Hertfordshire, unparished area",76,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9AB,Yes,51.946187,-0.274644,518685,228927,TL186289,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AD,Yes,51.944078,-0.275555,518628,228691,TL186286,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AE,Yes,51.943646,-0.276139,518589,228642,TL185286,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AF,Yes,51.944520,-0.274432,518704,228742,TL187287,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AG,Yes,51.945839,-0.272373,518842,228892,TL188288,1980-01-01,,"North Hertfordshire, unparished area",89,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AH,Yes,51.944069,-0.277403,518501,228687,TL185286,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AJ,Yes,51.942425,-0.276273,518583,228506,TL185285,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9AL,Yes,51.941801,-0.276632,518560,228436,TL185284,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023615,North Hertfordshire 012E,E01023615,North Hertfordshire 012E
SG4 9AQ,Yes,51.946450,-0.272975,518799,228959,TL187289,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9BP,Yes,51.944516,-0.276018,518595,228739,TL185287,1983-01-01,,"North Hertfordshire, unparished area",79,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9BS,Yes,51.943955,-0.276345,518574,228676,TL185286,1990-02-01,,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9BU,No,51.946144,-0.274151,518719,228923,TL187289,1990-02-01,2013-04-01,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9BW,Yes,51.944450,-0.275133,518656,228733,TL186287,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9BY,No,51.946705,-0.274435,518698,228985,TL186289,2005-10-01,2006-10-01,"North Hertfordshire, unparished area",77,England,2025-07-24,Imputed by ONS by reference to surrounding postcode grid references,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9BZ,Yes,51.946714,-0.274420,518699,228986,TL186289,1990-02-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DA,Yes,51.942002,-0.275620,518629,228460,TL186284,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DB,No,51.942687,-0.275768,518617,228536,TL186285,1980-01-01,1999-06-01,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DD,Yes,51.942114,-0.274699,518692,228474,TL186284,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DE,Yes,51.941631,-0.273045,518807,228423,TL188284,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DG,Yes,51.940773,-0.268524,519120,228335,TL191283,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DH,Yes,51.941131,-0.273879,518751,228366,TL187283,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DJ,Yes,51.940936,-0.272882,518820,228346,TL188283,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DN,Yes,51.940794,-0.271753,518898,228332,TL188283,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DS,Yes,51.940992,-0.270581,518978,228356,TL189283,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DT,Yes,51.940311,-0.268862,519098,228283,TL190282,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DU,Yes,51.941095,-0.269603,519045,228369,TL190283,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9DX,Yes,51.940348,-0.267697,519178,228289,TL191282,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9DZ,Yes,51.939866,-0.265533,519328,228239,TL193282,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9EA,Yes,51.939658,-0.264872,519374,228217,TL193282,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9ER,Yes,51.943818,-0.277456,518498,228659,TL184286,2002-06-01,,"North Hertfordshire, unparished area",78,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9FE,Yes,51.942337,-0.275156,518660,228498,TL186284,2008-06-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9FL,Yes,51.945435,-0.263295,519467,228862,TL194288,2021-11-01,,"North Hertfordshire, unparished area",67,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9FN,Yes,51.944569,-0.271040,518937,228753,TL189287,2022-02-01,,"North Hertfordshire, unparished area",89,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9GB,No,51.946144,-0.274151,518719,228923,TL187289,2002-06-01,2005-10-01,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9GD,Yes,51.945638,-0.273996,518731,228867,TL187288,2005-07-01,,"North Hertfordshire, unparished area",84,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9HA,Yes,51.941157,-0.271346,518925,228373,TL189283,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9HH,Yes,51.943167,-0.266220,519272,228605,TL192286,1980-01-01,,"North Hertfordshire, unparished area",91,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9HJ,Yes,51.945719,-0.268537,519106,228885,TL191288,1993-08-01,,"North Hertfordshire, unparished area",95,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9HL,No,51.945907,-0.271498,518902,228901,TL189289,1990-02-01,1990-12-01,"North Hertfordshire, unparished area",91,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9HN,Yes,51.945612,-0.270418,518977,228870,TL189288,1980-01-01,,"North Hertfordshire, unparished area",92,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9HP,Yes,51.944466,-0.268280,519127,228746,TL191287,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9HR,Yes,51.943913,-0.268577,519108,228684,TL191286,1980-01-01,,"North Hertfordshire, unparished area",91,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9HS,Yes,51.943146,-0.267181,519206,228601,TL192286,1980-01-01,,"North Hertfordshire, unparished area",89,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9HT,Yes,51.942373,-0.266644,519245,228516,TL192285,1980-01-01,,"North Hertfordshire, unparished area",89,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9HU,Yes,51.942767,-0.265901,519295,228561,TL192285,1980-01-01,,"North Hertfordshire, unparished area",92,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9HW,Yes,51.945322,-0.269061,519071,228840,TL190288,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9HX,Yes,51.942550,-0.264571,519387,228539,TL193285,1980-01-01,,"North Hertfordshire, unparished area",91,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9HY,Yes,51.940516,-0.263878,519440,228314,TL194283,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9HZ,Yes,51.939741,-0.262570,519532,228230,TL195282,1980-01-01,,"North Hertfordshire, unparished area",69,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9JA,Yes,51.940793,-0.261947,519572,228348,TL195283,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9JB,Yes,51.940280,-0.261254,519621,228292,TL196282,1980-01-01,,"North Hertfordshire, unparished area",69,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9JD,Yes,51.941291,-0.259717,519724,228407,TL197284,1980-01-01,,"North Hertfordshire, unparished area",68,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9JE,Yes,51.939523,-0.262986,519504,228205,TL195282,1980-01-01,,"North Hertfordshire, unparished area",69,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9JG,Yes,51.941420,-0.268499,519120,228407,TL191284,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JH,Yes,51.942855,-0.268836,519093,228566,TL190285,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JJ,Yes,51.943594,-0.269521,519044,228647,TL190286,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JL,Yes,51.943592,-0.270641,518967,228645,TL189286,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JN,Yes,51.943263,-0.271483,518910,228607,TL189286,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JP,Yes,51.944472,-0.270520,518973,228743,TL189287,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JQ,Yes,51.941716,-0.267833,519165,228441,TL191284,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JR,Yes,51.945245,-0.271145,518928,228828,TL189288,1980-01-01,,"North Hertfordshire, unparished area",91,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9JS,Yes,51.941921,-0.270138,519006,228460,TL190284,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JT,No,51.942312,-0.271636,518902,228501,TL189285,1990-02-01,1994-05-01,"North Hertfordshire, unparished area",83,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JU,No,51.944228,-0.266165,519273,228723,TL192287,1993-08-01,1999-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9JW,Yes,51.942816,-0.270482,518980,228559,TL189285,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JX,No,51.945989,-0.273401,518771,228907,TL187289,1994-05-01,1997-06-01,"North Hertfordshire, unparished area",86,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9JZ,No,51.942312,-0.271636,518902,228501,TL189285,1995-01-01,1995-12-01,"North Hertfordshire, unparished area",83,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9LA,Yes,51.944969,-0.268275,519126,228802,TL191288,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9LB,Yes,51.945549,-0.267365,519187,228868,TL191288,1980-01-01,,"North Hertfordshire, unparished area",96,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9LD,Yes,51.944887,-0.266997,519214,228795,TL192287,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9LE,Yes,51.945190,-0.266200,519268,228830,TL192288,1980-01-01,,"North Hertfordshire, unparished area",95,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LF,Yes,51.944583,-0.265860,519293,228763,TL192287,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LG,Yes,51.944803,-0.264949,519355,228789,TL193287,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LH,Yes,51.944318,-0.262524,519523,228739,TL195287,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LJ,Yes,51.944045,-0.263509,519456,228707,TL194287,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LL,Yes,51.943355,-0.263725,519443,228630,TL194286,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LN,Yes,51.944013,-0.264427,519393,228702,TL193287,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LP,Yes,51.944343,-0.266640,519240,228735,TL192287,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LQ,Yes,51.944587,-0.263677,519443,228767,TL194287,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LR,Yes,51.942723,-0.267779,519166,228553,TL191285,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LS,Yes,51.942084,-0.267790,519167,228482,TL191284,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9LT,Yes,51.942156,-0.267132,519212,228491,TL192284,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LU,Yes,51.941502,-0.264262,519411,228423,TL194284,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LW,Yes,51.943777,-0.266109,519278,228673,TL192286,1980-01-01,,"North Hertfordshire, unparished area",92,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LX,Yes,51.941662,-0.261725,519585,228445,TL195284,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LY,Yes,51.942891,-0.261502,519597,228582,TL195285,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9LZ,Yes,51.942550,-0.262738,519513,228542,TL195285,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NA,Yes,51.944114,-0.261484,519595,228718,TL195287,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NB,Yes,51.945262,-0.262487,519523,228844,TL195288,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9ND,No,51.944880,-0.262807,519502,228801,TL195288,1990-02-01,1990-12-01,"North Hertfordshire, unparished area",89,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NF,No,51.944858,-0.261353,519602,228801,TL196288,1981-06-01,1990-12-01,"North Hertfordshire, unparished area",85,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NG,Yes,51.945126,-0.261197,519612,228831,TL196288,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NH,Yes,51.943868,-0.258860,519776,228695,TL197286,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NJ,Yes,51.943425,-0.258688,519789,228646,TL197286,1980-01-01,,"North Hertfordshire, unparished area",74,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NL,Yes,51.944238,-0.256532,519935,228740,TL199287,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NN,Yes,51.943520,-0.260852,519640,228653,TL196286,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NP,Yes,51.943166,-0.256370,519949,228621,TL199286,1980-01-01,,"North Hertfordshire, unparished area",70,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NQ,Yes,51.944408,-0.260731,519646,228752,TL196287,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NR,Yes,51.942379,-0.259689,519723,228528,TL197285,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NS,Yes,51.941835,-0.258182,519828,228470,TL198284,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NT,Yes,51.942538,-0.258286,519819,228548,TL198285,1980-01-01,,"North Hertfordshire, unparished area",68,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NU,Yes,51.942388,-0.256080,519971,228535,TL199285,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9NW,Yes,51.943118,-0.259209,519754,228611,TL197286,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NX,Yes,51.943289,-0.254358,520087,228638,TL200286,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NY,Yes,51.943985,-0.252817,520191,228718,TL201287,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9NZ,Yes,51.944130,-0.253481,520145,228733,TL201287,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9PA,Yes,51.944194,-0.254744,520058,228738,TL200287,1980-01-01,,"North Hertfordshire, unparished area",71,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9PB,Yes,51.948592,-0.265123,519333,229210,TL193292,1980-01-01,,"North Hertfordshire, unparished area",91,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PD,Yes,51.946436,-0.261656,519577,228976,TL195289,1990-02-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PF,No,51.948156,-0.268486,519103,229156,TL191291,1993-08-01,1997-07-01,"North Hertfordshire, unparished area",88,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9PG,Yes,51.947149,-0.260624,519646,229057,TL196290,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PH,Yes,51.946395,-0.267390,519183,228962,TL191289,1980-01-01,,"North Hertfordshire, unparished area",95,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9PJ,Yes,51.947436,-0.265415,519316,229081,TL193290,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9PL,Yes,51.948445,-0.266147,519263,229192,TL192291,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PN,Yes,51.946757,-0.265092,519340,229006,TL193290,1980-01-01,,"North Hertfordshire, unparished area",96,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9PP,Yes,51.945583,-0.264774,519365,228876,TL193288,1980-01-01,,"North Hertfordshire, unparished area",95,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9PR,Yes,51.946056,-0.263940,519421,228930,TL194289,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9PS,Yes,51.946817,-0.262441,519522,229017,TL195290,1980-01-01,,"North Hertfordshire, unparished area",92,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PT,Yes,51.946052,-0.261787,519569,228933,TL195289,1980-01-01,,"North Hertfordshire, unparished area",91,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9PU,No,51.946656,-0.261284,519602,229001,TL196290,1980-01-01,1991-12-01,"North Hertfordshire, unparished area",89,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PW,Yes,51.947431,-0.263887,519421,229083,TL194290,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9PX,Yes,51.945364,-0.259049,519759,228861,TL197288,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9PY,Yes,51.944745,-0.257327,519879,228795,TL198287,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9PZ,Yes,51.946147,-0.257913,519835,228950,TL198289,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QA,Yes,51.946700,-0.256990,519897,229013,TL198290,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QB,Yes,51.947714,-0.258667,519779,229123,TL197291,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QD,Yes,51.946349,-0.258822,519772,228971,TL197289,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QE,Yes,51.946953,-0.259482,519725,229037,TL197290,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QF,Yes,51.946383,-0.259897,519698,228973,TL196289,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9QG,Yes,51.945419,-0.256123,519960,228872,TL199288,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QH,Yes,51.945934,-0.255041,520033,228931,TL200289,1980-01-01,,"North Hertfordshire, unparished area",74,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QJ,Yes,51.944800,-0.253164,520165,228808,TL201288,1980-01-01,,"North Hertfordshire, unparished area",68,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QP,Yes,51.946129,-0.256051,519963,228951,TL199289,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QQ,Yes,51.944850,-0.254748,520056,228811,TL200288,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QR,Yes,51.947185,-0.256374,519938,229068,TL199290,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9QS,Yes,51.947002,-0.257342,519872,229046,TL198290,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023607,North Hertfordshire 013B,E01023607,North Hertfordshire 013B
SG4 9QT,No,51.945735,-0.259864,519702,228901,TL197289,1980-01-01,1981-12-01,"North Hertfordshire, unparished area",86,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9QU,No,51.948475,-0.262668,519502,229201,TL195292,1990-07-01,1991-12-01,"North Hertfordshire, unparished area",90,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9QW,Yes,51.947632,-0.257361,519869,229116,TL198291,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023610,North Hertfordshire 013E,E01023610,North Hertfordshire 013E
SG4 9RH,Yes,51.949953,-0.267180,519188,229358,TL191293,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RJ,Yes,51.948157,-0.267380,519179,229158,TL191291,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RL,Yes,51.946986,-0.267207,519194,229028,TL191290,1980-01-01,,"North Hertfordshire, unparished area",92,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RP,No,51.949480,-0.269905,519002,229301,TL190293,1995-01-01,1996-12-01,"North Hertfordshire, unparished area",84,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RQ,Yes,51.949398,-0.267361,519177,229296,TL191292,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RR,No,51.949480,-0.269905,519002,229301,TL190293,1980-01-01,1990-12-01,"North Hertfordshire, unparished area",84,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RS,Yes,51.947944,-0.269411,519040,229131,TL190291,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RT,Yes,51.948217,-0.272020,518860,229157,TL188291,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RU,Yes,51.947521,-0.268729,519088,229085,TL190290,1980-01-01,,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RW,Yes,51.949213,-0.268853,519075,229273,TL190292,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RX,No,51.947531,-0.268787,519084,229086,TL190290,1980-01-01,2002-07-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RY,Yes,51.946673,-0.269766,519019,228989,TL190289,1980-01-01,,"North Hertfordshire, unparished area",95,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9RZ,Yes,51.946034,-0.269136,519064,228919,TL190289,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SA,Yes,51.945883,-0.269287,519054,228902,TL190289,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SB,Yes,51.947651,-0.274559,518687,229090,TL186290,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SD,Yes,51.946850,-0.272654,518820,229004,TL188290,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9SE,Yes,51.947602,-0.274255,518708,229085,TL187290,1980-01-01,,"North Hertfordshire, unparished area",74,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SG,Yes,51.950360,-0.270380,518967,229398,TL189293,1990-07-01,,"North Hertfordshire, unparished area",75,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SJ,Yes,51.946699,-0.267888,519148,228995,TL191289,1980-01-01,,"North Hertfordshire, unparished area",94,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SL,Yes,51.949451,-0.269717,519015,229298,TL190292,2006-09-01,,"North Hertfordshire, unparished area",85,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9SZ,No,51.945552,-0.275498,518628,228855,TL186288,1980-01-01,2005-05-01,"North Hertfordshire, unparished area",76,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9TB,Yes,51.946739,-0.275525,518623,228987,TL186289,2002-07-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TE,Yes,51.946007,-0.275262,518643,228906,TL186289,2003-01-01,,"North Hertfordshire, unparished area",75,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9TL,Yes,51.948271,-0.274506,518689,229159,TL186291,1980-01-01,,"North Hertfordshire, unparished area",71,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TN,Yes,51.948111,-0.274657,518679,229141,TL186291,1980-01-01,,"North Hertfordshire, unparished area",71,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TP,Yes,51.946972,-0.275443,518628,229013,TL186290,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TQ,No,51.945971,-0.275860,518602,228901,TL186289,1980-01-01,1996-12-01,"North Hertfordshire, unparished area",72,England,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9TR,No,51.946892,-0.275534,518622,229004,TL186290,1980-01-01,2000-06-01,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TS,Yes,51.946336,-0.275613,518618,228942,TL186289,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9TT,Yes,51.945399,-0.275475,518630,228838,TL186288,2006-09-01,,"North Hertfordshire, unparished area",77,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9TW,Yes,51.947289,-0.274980,518659,229049,TL186290,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TX,Yes,51.945336,-0.276103,518587,228830,TL185288,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9TY,Yes,51.947289,-0.274995,518658,229049,TL186290,2002-09-01,,"North Hertfordshire, unparished area",73,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023609,North Hertfordshire 013D,E01023609,North Hertfordshire 013D
SG4 9TZ,Yes,51.945002,-0.276596,518554,228792,TL185287,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9UA,Yes,51.946181,-0.274222,518714,228927,TL187289,2015-07-01,,"North Hertfordshire, unparished area",80,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9UX,No,51.944192,-0.266195,519271,228719,TL192287,1995-12-01,1997-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XB,No,51.944192,-0.266195,519271,228719,TL192287,1996-12-01,1997-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XD,No,51.944192,-0.266195,519271,228719,TL192287,1996-12-01,1997-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XH,No,51.944228,-0.266165,519273,228723,TL192287,1997-06-01,1999-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XJ,No,51.944192,-0.266195,519271,228719,TL192287,1997-06-01,1997-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XL,No,51.944228,-0.266165,519273,228723,TL192287,1997-12-01,2000-06-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XN,No,51.944228,-0.266165,519273,228723,TL192287,1997-12-01,1998-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XP,No,51.944228,-0.266165,519273,228723,TL192287,1998-06-01,1999-06-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XT,No,51.944228,-0.266165,519273,228723,TL192287,1998-06-01,2001-01-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XU,No,51.944228,-0.266165,519273,228723,TL192287,1998-12-01,1999-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XW,No,51.944228,-0.266165,519273,228723,TL192287,1997-12-01,1998-12-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9XX,No,51.944228,-0.266165,519273,228723,TL192287,1999-06-01,2000-06-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9YJ,Yes,51.942845,-0.268109,519143,228566,TL191285,1999-06-01,,"North Hertfordshire, unparished area",86,England,2025-07-24,Within the building of the matched address closest to the postcode mean,E01023606,North Hertfordshire 013A,E01023606,North Hertfordshire 013A
SG4 9YR,No,51.944228,-0.266165,519273,228723,TL192287,1999-12-01,2001-01-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C
SG4 9ZQ,No,51.944272,-0.266701,519236,228727,TL192287,2003-06-01,2004-08-01,"North Hertfordshire, unparished area",93,England,2025-07-24,Postcode sector mean (mainly PO Boxes),E01023608,North Hertfordshire 013C,E01023608,North Hertfordshire 013C