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
SG6 1AA,Yes,51.988356,-0.219411,522366,233708,TL223337,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1AB,Yes,51.988763,-0.219555,522355,233753,TL223337,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AD,Yes,51.990046,-0.214581,522693,233904,TL226339,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1AE,Yes,51.990448,-0.215061,522659,233948,TL226339,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AF,No,51.989252,-0.219186,522379,233808,TL223338,1980-01-01,2006-05-01,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AG,Yes,51.992989,-0.210051,522996,234239,TL229342,1980-01-01,,"North Hertfordshire, unparished area",88,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AH,Yes,51.995860,-0.207868,523138,234562,TL231345,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AJ,Yes,51.994376,-0.207214,523187,234398,TL231343,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AL,Yes,51.993709,-0.208901,523073,234321,TL230343,1990-07-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AN,Yes,51.998709,-0.203049,523461,234887,TL234348,1980-01-01,,"North Hertfordshire, unparished area",60,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AP,Yes,51.992349,-0.215845,522600,234158,TL225341,1980-01-01,,"North Hertfordshire, unparished area",87,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AQ,Yes,51.988728,-0.202473,523528,233778,TL235337,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1AR,Yes,51.992854,-0.209430,523039,234225,TL230342,1990-07-01,,"North Hertfordshire, unparished area",89,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AS,Yes,51.992736,-0.218291,522431,234197,TL224341,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AT,Yes,51.992081,-0.220166,522304,234121,TL223341,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AW,Yes,51.993149,-0.208180,523124,234260,TL231342,1990-07-01,,"North Hertfordshire, unparished area",87,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AX,Yes,51.990558,-0.218159,522446,233955,TL224339,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1AY,Yes,51.990308,-0.218824,522401,233926,TL224339,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1BH,Yes,51.982843,-0.224114,522058,233087,TL220330,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1BL,Yes,51.982510,-0.223458,522104,233051,TL221330,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1BN,No,51.984757,-0.223398,522102,233301,TL221333,1995-12-01,2005-11-01,"North Hertfordshire, unparished area",71,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BP,Yes,51.984687,-0.221784,522213,233296,TL222332,1982-03-01,,"North Hertfordshire, unparished area",71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BQ,No,51.988801,-0.202499,523526,233786,TL235337,2000-12-01,2018-03-01,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1BS,Yes,51.984482,-0.221851,522209,233273,TL222332,1980-01-01,,"North Hertfordshire, unparished area",71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BT,Yes,51.985347,-0.220826,522277,233371,TL222333,2006-05-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BU,Yes,51.984717,-0.222570,522159,233298,TL221332,1980-01-01,,"North Hertfordshire, unparished area",71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BW,No,51.983634,-0.222889,522140,233177,TL221331,1980-01-01,2008-03-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1BX,Yes,51.986186,-0.221565,522224,233463,TL222334,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BY,Yes,51.987052,-0.222390,522165,233558,TL221335,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1BZ,Yes,51.987223,-0.219427,522368,233582,TL223335,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DA,Yes,51.987803,-0.218530,522428,233648,TL224336,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DB,Yes,51.987534,-0.216196,522589,233622,TL225336,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DD,Yes,51.988475,-0.215998,522600,233727,TL225337,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DE,Yes,51.988430,-0.214748,522686,233724,TL226337,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DF,Yes,51.988688,-0.213441,522775,233755,TL227337,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DG,Yes,51.988969,-0.211784,522888,233789,TL228337,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DH,Yes,51.989645,-0.213068,522798,233862,TL227338,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DJ,Yes,51.989533,-0.213990,522735,233848,TL227338,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DL,Yes,51.986598,-0.212563,522841,233524,TL228335,1990-02-01,,"North Hertfordshire, unparished area",77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DN,Yes,51.986899,-0.213425,522781,233556,TL227335,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DP,Yes,51.987400,-0.212094,522871,233614,TL228336,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DQ,Yes,51.989333,-0.212629,522829,233828,TL228338,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DR,Yes,51.986723,-0.218413,522439,233528,TL224335,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DS,Yes,51.986257,-0.217980,522470,233477,TL224334,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DT,Yes,51.986153,-0.215246,522658,233470,TL226334,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DU,Yes,51.987503,-0.214726,522690,233621,TL226336,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DW,Yes,51.986336,-0.213666,522766,233493,TL227334,1983-07-01,,"North Hertfordshire, unparished area",76,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1DX,Yes,51.987110,-0.214305,522720,233578,TL227335,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DY,Yes,51.988235,-0.212032,522873,233707,TL228337,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1DZ,Yes,51.987809,-0.211801,522890,233660,TL228336,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1EA,Yes,51.989147,-0.209884,523018,233812,TL230338,1980-01-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1EB,Yes,51.989896,-0.211238,522923,233893,TL229338,1980-01-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1ED,Yes,51.991332,-0.211632,522892,234052,TL228340,1980-01-01,,"North Hertfordshire, unparished area",90,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1EF,Yes,51.984036,-0.220339,522314,233226,TL223332,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1EG,Yes,51.987910,-0.208972,523084,233676,TL230336,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1EH,Yes,51.986614,-0.208892,523093,233532,TL230335,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1EJ,Yes,51.986037,-0.211770,522897,233463,TL228334,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1EL,Yes,51.985541,-0.213989,522746,233404,TL227334,1991-09-01,,"North Hertfordshire, unparished area",74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1EN,No,51.984691,-0.219032,522402,233301,TL224333,1980-01-01,1994-05-01,"North Hertfordshire, unparished area",72,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1EP,No,51.985041,-0.219571,522364,233339,TL223333,1980-01-01,2005-07-01,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1EQ,Yes,51.987300,-0.209652,523039,233607,TL230336,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1ER,No,51.984713,-0.220487,522302,233301,TL223333,1994-12-01,2003-06-01,"North Hertfordshire, unparished area",71,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1ES,No,51.983775,-0.222112,522193,233194,TL221331,1998-12-01,2005-04-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1ET,Yes,51.984226,-0.218613,522432,233250,TL224332,2002-09-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1EU,No,51.984036,-0.220339,522314,233226,TL223332,2004-01-01,2007-09-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1EW,No,51.984691,-0.219032,522402,233301,TL224333,1980-01-01,1991-12-01,"North Hertfordshire, unparished area",72,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1EX,Yes,51.984210,-0.219357,522381,233247,TL223332,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1EY,No,51.983775,-0.222112,522193,233194,TL221331,1998-12-01,2005-05-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1EZ,No,51.985169,-0.219144,522393,233354,TL223333,1980-01-01,2013-12-01,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1FA,Yes,51.991794,-0.209516,523036,234107,TL230341,2012-02-01,,"North Hertfordshire, unparished area",90,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1FG,Yes,51.983173,-0.223912,522071,233124,TL220331,2007-08-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1FL,Yes,51.989311,-0.219490,522358,233814,TL223338,2007-08-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 1GD,No,51.985380,-0.217024,522538,233381,TL225333,1999-06-01,2019-01-01,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1GE,No,51.988428,-0.206373,523261,233738,TL232337,1999-12-01,2009-10-01,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1GP,Yes,51.989013,-0.206379,523259,233803,TL232338,2015-07-01,,"North Hertfordshire, unparished area",85,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1GQ,Yes,51.988680,-0.206946,523221,233765,TL232337,2016-05-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1GR,Yes,51.988525,-0.206253,523269,233749,TL232337,2016-11-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1GT,Yes,51.989397,-0.205650,523308,233847,TL233338,2017-01-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1GU,Yes,51.989004,-0.205229,523338,233804,TL233338,2017-01-01,,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HA,Yes,51.990715,-0.203587,523446,233997,TL234339,2005-05-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HB,Yes,51.987248,-0.206828,523233,233606,TL232336,1985-10-01,,"North Hertfordshire, unparished area",84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HD,Yes,51.988295,-0.203568,523454,233728,TL234337,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HE,Yes,51.984820,-0.215721,522629,233321,TL226333,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1HH,No,51.987188,-0.205826,523302,233601,TL233336,1980-01-01,1995-01-01,"North Hertfordshire, unparished area",83,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HJ,Yes,51.989716,-0.204137,523411,233885,TL234338,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HL,No,51.989580,-0.201696,523579,233874,TL235338,1980-01-01,2005-04-01,"North Hertfordshire, unparished area",74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HN,Yes,51.989001,-0.202637,523516,233808,TL235338,2008-10-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HR,Yes,51.990038,-0.202886,523496,233923,TL234339,1980-01-01,,"North Hertfordshire, unparished area",76,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HS,No,51.989670,-0.204052,523417,233880,TL234338,1980-01-01,2004-02-01,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HT,No,51.989265,-0.203442,523460,233836,TL234338,1997-06-01,2018-01-01,"North Hertfordshire, unparished area",79,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1HW,No,51.987242,-0.205824,523302,233607,TL233336,2001-06-01,2002-07-01,"North Hertfordshire, unparished area",83,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1JQ,No,51.985589,-0.218996,522402,233401,TL224334,1984-10-01,1995-12-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1JX,Yes,51.984387,-0.217952,522477,233269,TL224332,1983-07-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1RR,Yes,51.984763,-0.215461,522647,233315,TL226333,1990-02-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1TD,Yes,51.985068,-0.214226,522731,233351,TL227333,1991-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1TN,Yes,51.984510,-0.215996,522611,233286,TL226332,1995-12-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1TT,No,51.984647,-0.216121,522602,233301,TL226333,1990-02-01,1996-06-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1TU,Yes,51.990344,-0.209953,523010,233945,TL230339,1990-02-01,,"North Hertfordshire, unparished area",89,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1TX,Yes,51.990128,-0.208738,523094,233923,TL230339,1990-02-01,,"North Hertfordshire, unparished area",89,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1TY,Yes,51.990499,-0.207733,523162,233966,TL231339,1990-02-01,,"North Hertfordshire, unparished area",88,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1TZ,Yes,51.991323,-0.208676,523095,234056,TL230340,1990-02-01,,"North Hertfordshire, unparished area",89,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1UA,Yes,51.991094,-0.209588,523033,234029,TL230340,1990-02-01,,"North Hertfordshire, unparished area",90,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1UB,Yes,51.985868,-0.216582,522567,233436,TL225334,1990-02-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UD,Yes,51.985779,-0.216062,522603,233427,TL226334,1990-02-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UE,Yes,51.989493,-0.208370,523121,233853,TL231338,1990-02-01,,"North Hertfordshire, unparished area",88,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1UJ,Yes,51.984846,-0.220366,522310,233316,TL223333,1991-01-01,,"North Hertfordshire, unparished area",71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UL,No,51.985567,-0.217541,522502,233401,TL225334,1991-09-01,1994-12-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UR,No,51.982705,-0.222693,522156,233074,TL221330,1996-06-01,2005-05-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 1UU,No,51.986400,-0.213139,522802,233501,TL228335,1994-05-01,1995-01-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UW,Yes,51.986128,-0.210616,522976,233475,TL229334,1991-09-01,,"North Hertfordshire, unparished area",76,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 1UX,No,51.986400,-0.213139,522802,233501,TL228335,1992-08-01,1994-05-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UY,No,51.986400,-0.213139,522802,233501,TL228335,1991-09-01,1992-12-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1UZ,No,51.986400,-0.213139,522802,233501,TL228335,1991-09-01,1994-12-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1WR,No,51.986400,-0.213139,522802,233501,TL228335,1999-07-01,2000-10-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1WT,Yes,51.985347,-0.213108,522807,233384,TL228333,2000-06-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1YR,No,51.986400,-0.213139,522802,233501,TL228335,1998-06-01,1999-12-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1YT,No,51.986400,-0.213139,522802,233501,TL228335,1998-09-01,2000-10-01,"North Hertfordshire, unparished area",76,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023633,North Hertfordshire 006D,E01023633,North Hertfordshire 006D
SG6 1YY,No,51.988428,-0.206373,523261,233738,TL232337,1998-06-01,2009-11-01,"North Hertfordshire, unparished area",86,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023632,North Hertfordshire 006C,E01023632,North Hertfordshire 006C
SG6 4AP,No,51.986817,-0.234807,521313,233511,TL213335,1995-07-01,1999-06-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4BF,No,51.986817,-0.234807,521313,233511,TL213335,1997-12-01,1998-12-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4BU,No,51.982981,-0.224924,522002,233101,TL220331,1987-10-01,1994-05-01,"North Hertfordshire, unparished area",73,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4EL,No,51.986889,-0.234848,521310,233519,TL213335,1995-01-01,1997-12-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4ER,Yes,51.981002,-0.230813,521603,232871,TL216328,2003-05-01,,"North Hertfordshire, unparished area",82,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4ES,Yes,51.981210,-0.231518,521554,232893,TL215328,1981-06-01,,"North Hertfordshire, unparished area",82,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FA,Yes,51.987320,-0.237817,521105,233562,TL211335,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4FB,No,51.987293,-0.237788,521107,233559,TL211335,1995-12-01,1997-06-01,"North Hertfordshire, unparished area",67,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4FE,No,51.986889,-0.234848,521310,233519,TL213335,1996-06-01,1997-12-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FF,No,51.986889,-0.234848,521310,233519,TL213335,1996-12-01,1997-12-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FG,No,51.986773,-0.237882,521102,233501,TL211335,1997-06-01,1997-07-01,"North Hertfordshire, unparished area",67,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FH,No,51.986817,-0.234807,521313,233511,TL213335,1997-12-01,1999-12-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FJ,No,51.986773,-0.237882,521102,233501,TL211335,1998-06-01,1999-12-01,"North Hertfordshire, unparished area",67,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FL,No,51.986817,-0.234807,521313,233511,TL213335,1998-12-01,2003-09-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FP,No,51.986817,-0.234807,521313,233511,TL213335,1999-06-01,2000-06-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FQ,No,51.986817,-0.234807,521313,233511,TL213335,1997-06-01,1999-06-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FR,No,51.986817,-0.234807,521313,233511,TL213335,1999-06-01,2002-07-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4FS,No,51.987293,-0.237788,521107,233559,TL211335,2001-06-01,2004-02-01,"North Hertfordshire, unparished area",67,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4GB,No,51.986773,-0.237882,521102,233501,TL211335,1999-12-01,2000-10-01,"North Hertfordshire, unparished area",67,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4GD,No,51.986817,-0.234807,521313,233511,TL213335,2000-06-01,2001-05-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4GE,No,51.987293,-0.237788,521107,233559,TL211335,2000-12-01,2001-10-01,"North Hertfordshire, unparished area",67,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4GJ,No,51.986817,-0.234807,521313,233511,TL213335,1999-12-01,2001-08-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HE,Yes,51.985733,-0.233335,521417,233393,TL214333,1980-01-01,,"North Hertfordshire, unparished area",70,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HF,Yes,51.986134,-0.230683,521598,233442,TL215334,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HG,Yes,51.985771,-0.230450,521615,233402,TL216334,1980-01-01,,"North Hertfordshire, unparished area",71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HH,Yes,51.986963,-0.231991,521506,233532,TL215335,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HJ,Yes,51.986632,-0.231523,521539,233496,TL215334,1980-01-01,,"North Hertfordshire, unparished area",74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HL,Yes,51.986365,-0.234068,521365,233462,TL213334,1980-01-01,,"North Hertfordshire, unparished area",74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HN,Yes,51.986446,-0.234691,521322,233470,TL213334,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HP,Yes,51.985446,-0.236987,521167,233355,TL211333,1980-01-01,,"North Hertfordshire, unparished area",66,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HQ,Yes,51.987260,-0.228993,521711,233570,TL217335,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HR,Yes,51.986323,-0.238511,521060,233450,TL210334,1980-01-01,,"North Hertfordshire, unparished area",65,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HS,Yes,51.986121,-0.236422,521204,233431,TL212334,1980-01-01,,"North Hertfordshire, unparished area",70,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HT,Yes,51.986452,-0.236263,521214,233468,TL212334,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HW,Yes,51.985170,-0.234712,521324,233328,TL213333,1980-01-01,,"North Hertfordshire, unparished area",67,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4HX,No,51.987650,-0.236391,521202,233601,TL212336,1984-10-01,1990-12-01,"North Hertfordshire, unparished area",71,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4JA,Yes,51.988474,-0.223630,522076,233714,TL220337,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 4JB,Yes,51.989121,-0.224784,521995,233784,TL219337,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 4JD,Yes,51.988369,-0.226809,521858,233697,TL218336,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4JG,Yes,51.987723,-0.230490,521607,233619,TL216336,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4JH,Yes,51.988162,-0.233371,521408,233663,TL214336,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4JJ,Yes,51.987019,-0.236285,521211,233531,TL212335,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4JL,Yes,51.986670,-0.238847,521036,233488,TL210334,1980-01-01,,"North Hertfordshire, unparished area",65,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4JQ,Yes,51.987803,-0.233429,521405,233623,TL214336,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023638,North Hertfordshire 003D,E01023638,North Hertfordshire 003D
SG6 4RU,No,51.986817,-0.234807,521313,233511,TL213335,1983-07-01,1999-06-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TN,Yes,51.988953,-0.222621,522144,233769,TL221337,1980-01-01,,"North Hertfordshire, unparished area",82,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 4TP,No,51.980373,-0.230852,521602,232801,TL216328,1980-01-01,1995-07-01,"North Hertfordshire, unparished area",84,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TR,Yes,51.981172,-0.230151,521648,232891,TL216328,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TS,Yes,51.980882,-0.229420,521699,232860,TL216328,1980-01-01,,"North Hertfordshire, unparished area",83,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TT,Yes,51.981743,-0.230478,521624,232954,TL216329,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TU,Yes,51.982603,-0.227895,521799,233054,TL217330,1980-01-01,,"North Hertfordshire, unparished area",79,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TW,Yes,51.989050,-0.221262,522237,233782,TL222337,1980-01-01,,"North Hertfordshire, unparished area",84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023636,North Hertfordshire 003B,E01023636,North Hertfordshire 003B
SG6 4TX,Yes,51.982844,-0.227143,521850,233082,TL218330,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TY,Yes,51.981864,-0.228332,521771,232971,TL217329,1980-01-01,,"North Hertfordshire, unparished area",81,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4TZ,Yes,51.981625,-0.226827,521875,232947,TL218329,1980-01-01,,"North Hertfordshire, unparished area",80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4UA,Yes,51.982502,-0.227157,521850,233044,TL218330,1980-01-01,,"North Hertfordshire, unparished area",78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4UB,Yes,51.982498,-0.225089,521992,233047,TL219330,1980-01-01,,"North Hertfordshire, unparished area",75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4UD,Yes,51.982617,-0.226395,521902,233058,TL219330,1980-01-01,,"North Hertfordshire, unparished area",77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4UE,Yes,51.983378,-0.225025,521994,233145,TL219331,1980-01-01,,"North Hertfordshire, unparished area",73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4UF,Yes,51.984510,-0.224354,522037,233272,TL220332,1980-01-01,,"North Hertfordshire, unparished area",72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4YQ,Yes,51.988444,-0.236607,521185,233689,TL211336,1990-07-01,,"North Hertfordshire, unparished area",68,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023637,North Hertfordshire 003C,E01023637,North Hertfordshire 003C
SG6 4YU,No,51.986889,-0.234848,521310,233519,TL213335,1994-12-01,2003-07-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4YY,No,51.986817,-0.234807,521313,233511,TL213335,1995-12-01,2003-09-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4ZJ,No,51.988454,-0.236636,521183,233690,TL211336,2002-08-01,2003-09-01,"North Hertfordshire, unparished area",68,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023637,North Hertfordshire 003C,E01023637,North Hertfordshire 003C
SG6 4ZN,No,51.986817,-0.234807,521313,233511,TL213335,2000-06-01,2001-08-01,"North Hertfordshire, unparished area",75,England,2025-09-17,Postcode sector mean (mainly PO Boxes),E01023634,North Hertfordshire 006E,E01023634,North Hertfordshire 006E
SG6 4ZR,No,51.988454,-0.236636,521183,233690,TL211336,2004-03-01,2005-07-01,"North Hertfordshire, unparished area",68,England,2025-09-17,Imputed by ONS by reference to surrounding postcode grid references,E01023637,North Hertfordshire 003C,E01023637,North Hertfordshire 003C