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
SY23 1AB,Yes,52.411910,-4.084421,258321,281368,SN583813,2016-12-01,,Aberystwyth,9,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1AS,Yes,52.409084,-4.087126,258128,281059,SN581810,1995-01-01,,Aberystwyth,7,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1AT,Yes,52.408794,-4.086259,258186,281025,SN581810,1995-01-01,,Aberystwyth,13,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BA,Yes,52.410868,-4.084887,258286,281253,SN582812,1980-01-01,,Aberystwyth,5,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BB,Yes,52.410481,-4.084898,258284,281210,SN582812,1980-01-01,,Aberystwyth,5,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BD,Yes,52.410798,-4.085295,258258,281246,SN582812,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1BE,Yes,52.409688,-4.085007,258274,281122,SN582811,1980-01-01,,Aberystwyth,7,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BG,Yes,52.410276,-4.085858,258218,281189,SN582811,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BH,Yes,52.409285,-4.085944,258209,281079,SN582810,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BJ,Yes,52.407825,-4.087684,258086,280920,SN580809,1980-01-01,,Aberystwyth,16,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BL,Yes,52.409199,-4.085234,258257,281068,SN582810,1980-01-01,,Aberystwyth,9,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BN,Yes,52.408928,-4.085310,258251,281038,SN582810,1994-05-01,,Aberystwyth,11,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BP,Yes,52.409024,-4.082403,258449,281043,SN584810,1980-01-01,,Aberystwyth,14,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BQ,No,52.410006,-4.084846,258286,281157,SN582811,1993-01-01,2003-10-01,Aberystwyth,6,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BS,Yes,52.407952,-4.086572,258162,280932,SN581809,1999-12-01,,Aberystwyth,22,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BT,Yes,52.408512,-4.084379,258313,280990,SN583809,1980-01-01,,Aberystwyth,21,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BU,Yes,52.406207,-4.086622,258153,280738,SN581807,1980-01-01,,Aberystwyth,30,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BW,Yes,52.408953,-4.084870,258281,281040,SN582810,1980-01-01,,Aberystwyth,12,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BX,Yes,52.409834,-4.083897,258350,281136,SN583811,1980-01-01,,Aberystwyth,6,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BY,Yes,52.410326,-4.083494,258379,281190,SN583811,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1BZ,Yes,52.410326,-4.083494,258379,281190,SN583811,2020-09-01,,Aberystwyth,16,Wales,2025-07-24,Imputed by ONS by reference to surrounding postcode grid references,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1DA,Yes,52.408546,-4.082498,258441,280990,SN584809,1987-04-01,,Aberystwyth,24,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1DB,Yes,52.409288,-4.083239,258393,281074,SN583810,1990-02-01,,Aberystwyth,11,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1DD,Yes,52.409433,-4.082143,258468,281088,SN584810,1991-01-01,,Aberystwyth,9,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1DF,Yes,52.409270,-4.084252,258324,281074,SN583810,1993-01-01,,Aberystwyth,10,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1DN,No,52.413981,-4.086313,258199,281602,SN581816,1980-01-01,1995-01-01,Aberystwyth,18,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DP,No,52.413981,-4.086313,258199,281602,SN581816,1980-01-01,1994-05-01,Aberystwyth,18,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DR,No,52.408554,-4.082528,258439,280991,SN584809,1980-01-01,1997-06-01,Aberystwyth,23,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1DT,Yes,52.414224,-4.087324,258131,281631,SN581816,1980-01-01,,Aberystwyth,17,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DU,Yes,52.413522,-4.086865,258160,281552,SN581815,1980-01-01,,Aberystwyth,18,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DW,Yes,52.414039,-4.086610,258179,281609,SN581816,1980-01-01,,Aberystwyth,18,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DX,Yes,52.413476,-4.086407,258191,281546,SN581815,1980-01-01,,Aberystwyth,18,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DY,Yes,52.413374,-4.087607,258109,281537,SN581815,1980-01-01,,Aberystwyth,17,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1DZ,Yes,52.412765,-4.088961,258015,281472,SN580814,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1HZ,Yes,52.413159,-4.083465,258390,281505,SN583815,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1JB,Yes,52.412170,-4.084492,258317,281397,SN583813,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JF,Yes,52.412028,-4.085897,258221,281384,SN582813,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JG,Yes,52.412812,-4.086331,258194,281472,SN581814,1980-01-01,,Aberystwyth,15,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JH,Yes,52.413126,-4.087405,258122,281509,SN581815,1980-01-01,,Aberystwyth,16,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JJ,Yes,52.412801,-4.086948,258152,281472,SN581814,1980-01-01,,Aberystwyth,15,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JL,Yes,52.412231,-4.087142,258137,281409,SN581814,1980-01-01,,Aberystwyth,11,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JN,Yes,52.412154,-4.087447,258116,281401,SN581814,1993-08-01,,Aberystwyth,11,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JP,Yes,52.412702,-4.087473,258116,281462,SN581814,1980-01-01,,Aberystwyth,14,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JQ,Yes,52.413191,-4.086261,258200,281514,SN582815,1980-01-01,,Aberystwyth,17,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JR,Yes,52.412717,-4.088165,258069,281465,SN580814,1980-01-01,,Aberystwyth,14,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JS,Yes,52.412394,-4.088635,258036,281430,SN580814,1980-01-01,,Aberystwyth,10,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JT,Yes,52.412188,-4.088551,258041,281407,SN580814,1980-01-01,,Aberystwyth,9,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JU,Yes,52.411796,-4.088386,258051,281363,SN580813,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JW,Yes,52.412210,-4.087847,258089,281408,SN580814,1980-01-01,,Aberystwyth,13,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JX,Yes,52.411454,-4.088870,258017,281326,SN580813,1980-01-01,,Aberystwyth,5,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1JY,Yes,52.408818,-4.088951,258003,281033,SN580810,1980-01-01,,Aberystwyth,1,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PB,Yes,52.412581,-4.082071,258483,281438,SN584814,1980-01-01,,Aberystwyth,6,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PE,No,52.412236,-4.083290,258399,281402,SN583814,1993-08-01,1995-01-01,Aberystwyth,5,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PF,Yes,52.412125,-4.081461,258523,281386,SN585813,1980-01-01,,Aberystwyth,5,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PG,Yes,52.409970,-4.081257,258530,281146,SN585811,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PH,Yes,52.410427,-4.078778,258700,281192,SN587811,1994-05-01,,Aberystwyth,5,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PJ,Yes,52.411809,-4.082549,258448,281353,SN584813,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PL,Yes,52.411496,-4.081902,258491,281317,SN584813,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PN,Yes,52.411352,-4.083439,258386,281304,SN583813,1980-01-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PP,Yes,52.411421,-4.083604,258375,281312,SN583813,1994-05-01,,Aberystwyth,4,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1PR,No,52.413135,-4.083332,258399,281502,SN583815,1987-10-01,1995-12-01,Aberystwyth,8,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PW,No,52.412264,-4.082717,258438,281404,SN584814,1980-01-01,2015-02-01,Aberystwyth,5,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1PY,Yes,52.413853,-4.085954,258223,281587,SN582815,1980-01-01,,Aberystwyth,18,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1PZ,Yes,52.413423,-4.085831,258230,281539,SN582815,1980-01-01,,Aberystwyth,17,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1QA,No,52.413083,-4.086270,258199,281502,SN581815,1980-01-01,1996-06-01,Aberystwyth,17,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1QD,Yes,52.412020,-4.085323,258260,281382,SN582813,1980-01-01,,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 1TH,Yes,52.407571,-4.078629,258701,280874,SN587808,1997-12-01,,Aberystwyth,13,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1UY,No,52.409814,-4.079911,258621,281126,SN586811,1997-12-01,1999-06-01,Aberystwyth,5,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1UZ,No,52.409814,-4.079911,258621,281126,SN586811,1993-08-01,1999-06-01,Aberystwyth,5,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1WG,No,52.408669,-4.080063,258607,280999,SN586809,1999-06-01,2001-01-01,Aberystwyth,9,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1WJ,No,52.408669,-4.080063,258607,280999,SN586809,1995-07-01,2000-09-01,Aberystwyth,9,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1XD,No,52.409814,-4.079911,258621,281126,SN586811,1999-06-01,2000-06-01,Aberystwyth,5,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1XE,No,52.409814,-4.079911,258621,281126,SN586811,1999-06-01,2000-06-01,Aberystwyth,5,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 1XG,No,52.409814,-4.079911,258621,281126,SN586811,1999-12-01,2000-06-01,Aberystwyth,5,Wales,2025-07-24,Postcode sector mean (mainly PO Boxes),W01000518,Ceredigion 003C,W01000518,Ceredigion 003C
SY23 2AT,Yes,52.414437,-4.086967,258156,281654,SN581816,1980-01-01,,Aberystwyth,17,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2AU,Yes,52.414247,-4.087560,258115,281634,SN581816,1980-01-01,,Aberystwyth,17,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2AY,Yes,52.415059,-4.087378,258130,281724,SN581817,1980-01-01,,Aberystwyth,15,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2BH,Yes,52.414837,-4.088250,258070,281701,SN580817,2011-07-01,,Aberystwyth,14,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2BQ,No,52.415287,-4.087727,258107,281750,SN581817,2017-08-01,2022-06-01,Aberystwyth,8,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2LJ,Yes,52.414484,-4.086336,258199,281658,SN581816,1980-01-01,,Aberystwyth,18,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2LL,No,52.413955,-4.087782,258099,281602,SN580816,1980-01-01,1986-12-01,Aberystwyth,17,Wales,2025-07-24,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2LN,Yes,52.415023,-4.086862,258165,281719,SN581817,1980-01-01,,Aberystwyth,16,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D
SY23 2LT,No,52.415210,-4.087488,258123,281741,SN581817,1980-01-01,2003-08-01,Aberystwyth,14,Wales,2025-07-24,Within the building of the matched address closest to the postcode mean,W01000517,Ceredigion 002D,W01000517,Ceredigion 002D