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
LL55 1BA,Yes,53.144330,-4.271006,248205,363208,SH482632,1993-01-01,,Caernarfon,21,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BB,Yes,53.145010,-4.269771,248290,363281,SH482632,1980-01-01,,Caernarfon,24,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BD,Yes,53.145258,-4.269933,248280,363309,SH482633,1980-01-01,,Caernarfon,22,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BE,Yes,53.147082,-4.268579,248377,363509,SH483635,1980-01-01,,Caernarfon,21,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BF,Yes,53.145285,-4.268051,248406,363308,SH484633,2001-12-01,,Caernarfon,32,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BG,Yes,53.146935,-4.267315,248461,363490,SH484634,1980-01-01,,Caernarfon,30,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BH,Yes,53.146401,-4.267526,248445,363431,SH484634,1980-01-01,,Caernarfon,31,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BL,Yes,53.148585,-4.267073,248483,363673,SH484636,1993-01-01,,Caernarfon,21,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1BP,Yes,53.142355,-4.267522,248431,362981,SH484629,1980-01-01,,Caernarfon,37,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1DU,Yes,53.147653,-4.258395,249060,363551,SH490635,1980-01-01,,Caernarfon,52,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1DY,Yes,53.148399,-4.256535,249187,363630,SH491636,1980-01-01,,Caernarfon,55,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1EG,Yes,53.143926,-4.270955,248207,363163,SH482631,1980-01-01,,Caernarfon,25,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1EH,Yes,53.143924,-4.270566,248233,363162,SH482631,1980-01-01,,Caernarfon,29,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1EL,Yes,53.144370,-4.269378,248314,363209,SH483632,1984-02-01,,Caernarfon,31,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1EN,Yes,53.148600,-4.264412,248661,363669,SH486636,1980-01-01,,Caernarfon,37,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1ER,No,53.145343,-4.268787,248357,363316,SH483633,1980-01-01,2018-03-01,Caernarfon,28,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1ES,No,53.145230,-4.268138,248400,363302,SH483633,1980-01-01,1991-12-01,Caernarfon,32,Wales,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1ET,Yes,53.144273,-4.268296,248386,363196,SH483631,1980-01-01,,Caernarfon,39,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1EU,Yes,53.142925,-4.267792,248415,363045,SH484630,1980-01-01,,Caernarfon,40,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1EY,Yes,53.144158,-4.266346,248516,363179,SH485631,1980-01-01,,Caernarfon,44,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HA,Yes,53.143421,-4.267265,248452,363099,SH484630,1980-01-01,,Caernarfon,42,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HB,Yes,53.144116,-4.265716,248558,363173,SH485631,1980-01-01,,Caernarfon,44,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HJ,Yes,53.145988,-4.265605,248572,363381,SH485633,2001-12-01,,Caernarfon,46,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HN,No,53.145286,-4.265150,248600,363302,SH485633,1980-01-01,1997-07-01,Caernarfon,49,Wales,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HP,Yes,53.145400,-4.265335,248588,363315,SH485633,1980-01-01,,Caernarfon,48,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HR,No,53.146185,-4.265197,248600,363402,SH485634,1993-08-01,1996-12-01,Caernarfon,47,Wales,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HS,Yes,53.147067,-4.264675,248638,363499,SH486634,1980-01-01,,Caernarfon,46,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HT,Yes,53.146696,-4.264775,248630,363458,SH486634,1999-06-01,,Caernarfon,47,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HU,Yes,53.146262,-4.266308,248526,363413,SH485634,1980-01-01,,Caernarfon,41,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HW,Yes,53.145890,-4.264135,248670,363367,SH486633,1980-01-01,,Caernarfon,50,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1HY,Yes,53.144981,-4.267481,248443,363273,SH484632,1980-01-01,,Caernarfon,38,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LA,Yes,53.144917,-4.268046,248405,363267,SH484632,1980-01-01,,Caernarfon,35,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LB,No,53.144331,-4.268090,248400,363202,SH483632,1981-06-01,1990-12-01,Caernarfon,39,Wales,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LE,Yes,53.148868,-4.265473,248591,363701,SH485637,1980-01-01,,Caernarfon,30,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LF,Yes,53.150598,-4.263351,248739,363889,SH487638,1980-01-01,,Caernarfon,29,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LL,Yes,53.149534,-4.262083,248820,363768,SH488637,1980-01-01,,Caernarfon,46,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LN,Yes,53.149942,-4.265709,248579,363821,SH485638,1984-02-01,,Caernarfon,20,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LP,Yes,53.153102,-4.264051,248701,364169,SH487641,1980-01-01,,Caernarfon,4,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LR,Yes,53.152623,-4.260914,248909,364109,SH489641,1980-01-01,,Caernarfon,25,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LS,Yes,53.154239,-4.259130,249034,364285,SH490642,1980-01-01,,Caernarfon,23,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1LW,Yes,53.151574,-4.263566,248728,363998,SH487639,1980-01-01,,Caernarfon,16,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PA,Yes,53.141053,-4.270728,248212,362843,SH482628,1980-01-01,,Caernarfon,26,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PB,Yes,53.141352,-4.270625,248220,362876,SH482628,1980-01-01,,Caernarfon,29,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PD,No,53.141580,-4.270936,248200,362902,SH481629,1980-01-01,1994-12-01,Caernarfon,30,Wales,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PE,Yes,53.141531,-4.271128,248187,362897,SH481628,1980-01-01,,Caernarfon,29,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PF,Yes,53.142228,-4.269953,248268,362972,SH482629,1980-01-01,,Caernarfon,38,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PG,Yes,53.142253,-4.268624,248357,362972,SH483629,1980-01-01,,Caernarfon,37,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PH,Yes,53.142062,-4.269227,248316,362952,SH483629,1980-01-01,,Caernarfon,37,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PL,Yes,53.141791,-4.269736,248281,362923,SH482629,1980-01-01,,Caernarfon,34,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PN,Yes,53.141435,-4.269074,248324,362882,SH483628,1980-01-01,,Caernarfon,30,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1PT,Yes,53.140762,-4.269951,248263,362809,SH482628,1990-02-01,,Caernarfon,24,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000059,Gwynedd 006A,W01000059,Gwynedd 006A
LL55 1PW,Yes,53.141326,-4.268709,248348,362869,SH483628,1980-01-01,,Caernarfon,29,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1TP,Yes,53.158025,-4.252897,249464,364693,SH494646,1980-01-01,,Caernarfon,37,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B
LL55 1TW,Yes,53.157320,-4.257841,249131,364625,SH491646,2023-03-01,,Caernarfon,23,Wales,2025-07-23,Within the building of the matched address closest to the postcode mean,W01000093,Gwynedd 006B,W01000093,Gwynedd 006B