Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Altitude,Population,Households,Nearest Station,Distance To Station (KM),Built Up Area,Built Up Area Sub-Division,Water Company,Sewage Company,District,Ward,County Electoral Division
LL55 1AZ,Yes,53.176908,-4.194027,253464,366671,SH534666,1/1/1980 12:00:00 AM,,96,7,2,Llanfairpwll,5.0,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 1BQ,Yes,53.175240,-4.186529,253959,366470,SH539664,1/1/1980 12:00:00 AM,,111,4,1,Llanfairpwll,5.3,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 1DX,Yes,53.157737,-4.224685,251349,364602,SH513646,10/1/2023 12:00:00 AM,,65,,,Llanfairpwll,7.1,,,,,Gwynedd,Bethel a'r Felinheli,
LL55 1UA,Yes,53.150219,-4.227183,251156,363771,SH511637,1/1/1980 12:00:00 AM,,73,10,2,Llanfairpwll,8.0,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 1UB,Yes,53.157466,-4.215182,251983,364552,SH519645,1/1/1980 12:00:00 AM,,80,9,4,Llanfairpwll,7.1,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 1UD,Yes,53.146809,-4.225915,251229,363389,SH512633,1/1/1980 12:00:00 AM,,67,2,1,Llanfairpwll,8.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 1UL,Yes,53.161995,-4.220128,251668,365066,SH516650,1/1/1980 12:00:00 AM,,67,12,4,Llanfairpwll,6.6,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 2AH,No,53.149030,-4.208512,252400,363600,SH523635,4/1/1985 12:00:00 AM,12/1/1990 12:00:00 AM,90,,,Llanfairpwll,8.0,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2AQ,Yes,53.147066,-4.209727,252312,363384,SH523633,1/1/1980 12:00:00 AM,,93,38,13,Llanfairpwll,8.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2BA,No,53.141315,-4.236525,250500,362800,SH505628,1/1/1993 12:00:00 AM,1/1/1995 12:00:00 AM,49,,,Llanfairpwll,9.0,,,,,Gwynedd,Cwm-y-glo,
LL55 2BB,Yes,53.143359,-4.234897,250616,363024,SH506630,1/1/1980 12:00:00 AM,,58,21,8,Llanfairpwll,8.8,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2BP,Yes,53.148556,-4.236827,250505,363606,SH505636,1/1/1980 12:00:00 AM,,57,1,1,Llanfairpwll,8.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2SL,Yes,53.137711,-4.233542,250687,362393,SH506623,1/1/1980 12:00:00 AM,,66,23,8,Llanfairpwll,9.4,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2SN,Yes,53.142787,-4.229469,250977,362949,SH509629,1/1/1980 12:00:00 AM,,58,12,4,Llanfairpwll,8.8,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2SP,Yes,53.144209,-4.225057,251277,363098,SH512630,1/1/1980 12:00:00 AM,,60,9,3,Llanfairpwll,8.6,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2SR,Yes,53.145491,-4.219949,251623,363230,SH516632,1/1/1980 12:00:00 AM,,72,27,8,Llanfairpwll,8.4,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2SW,Yes,53.141063,-4.222621,251429,362743,SH514627,1/1/1980 12:00:00 AM,,77,15,7,Llanfairpwll,8.9,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 2TN,Yes,53.135079,-4.221430,251488,362075,SH514620,1/1/1980 12:00:00 AM,,101,9,5,Llanfairpwll,9.6,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 3AB,Yes,53.182808,-4.182200,254274,367303,SH542673,1/1/1980 12:00:00 AM,,90,1,1,Llanfairpwll,4.6,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AD,Yes,53.173110,-4.178116,254514,366216,SH545662,1/1/1980 12:00:00 AM,,125,24,8,Llanfairpwll,5.7,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AE,Yes,53.179185,-4.175835,254687,366887,SH546668,1/1/1980 12:00:00 AM,,135,32,11,Llanfairpwll,5.1,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AF,Yes,53.179748,-4.174995,254745,366948,SH547669,1/1/1980 12:00:00 AM,,135,24,11,Llanfairpwll,5.1,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AG,Yes,53.182342,-4.173780,254835,367234,SH548672,1/1/1980 12:00:00 AM,,134,21,11,Llanfairpwll,4.9,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AH,Yes,53.182534,-4.174598,254781,367257,SH547672,1/1/1980 12:00:00 AM,,132,5,2,Llanfairpwll,4.9,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AL,Yes,53.183466,-4.170828,255036,367353,SH550673,1/1/1980 12:00:00 AM,,127,9,4,Llanfairpwll,4.9,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AS,Yes,53.167860,-4.192782,253516,365662,SH535656,1/1/1980 12:00:00 AM,,111,18,9,Llanfairpwll,6.0,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3AW,Yes,53.175804,-4.156584,255962,366472,SH559664,1/1/1980 12:00:00 AM,,113,10,5,Bangor (Gwynedd),5.3,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 3PS,Yes,53.160296,-4.200264,252990,364836,SH529648,1/1/1980 12:00:00 AM,,97,15,6,Llanfairpwll,6.8,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,
LL55 4DA,Yes,53.145961,-4.174967,254633,363190,SH546631,1/1/1980 12:00:00 AM,,115,5,2,Llanfairpwll,8.6,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DB,Yes,53.145719,-4.172527,254795,363158,SH547631,1/1/1980 12:00:00 AM,,110,84,24,Llanfairpwll,8.7,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DD,Yes,53.142558,-4.167852,255097,362797,SH550627,1/1/1980 12:00:00 AM,,112,21,9,Bangor (Gwynedd),9.1,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DE,Yes,53.142085,-4.167160,255142,362743,SH551627,1/1/1980 12:00:00 AM,,106,37,19,Bangor (Gwynedd),9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DF,Yes,53.141731,-4.167816,255097,362705,SH550627,1/1/1980 12:00:00 AM,,110,8,3,Bangor (Gwynedd),9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DG,Yes,53.141398,-4.167853,255093,362668,SH550626,1/1/1980 12:00:00 AM,,111,2,1,Bangor (Gwynedd),9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DH,Yes,53.140733,-4.168328,255059,362595,SH550625,1/1/1980 12:00:00 AM,,114,47,22,Bangor (Gwynedd),9.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DL,Yes,53.140189,-4.166148,255203,362530,SH552625,1/1/1993 12:00:00 AM,,106,43,18,Bangor (Gwynedd),9.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DN,Yes,53.140202,-4.166856,255156,362533,SH551625,1/1/1980 12:00:00 AM,,109,9,4,Bangor (Gwynedd),9.4,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DP,Yes,53.140136,-4.165607,255239,362523,SH552625,1/1/1980 12:00:00 AM,,104,11,5,Bangor (Gwynedd),9.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DR,Yes,53.140381,-4.165933,255218,362551,SH552625,1/1/1980 12:00:00 AM,,105,16,4,Bangor (Gwynedd),9.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DS,Yes,53.141034,-4.166624,255174,362625,SH551626,1/1/1980 12:00:00 AM,,105,14,6,Bangor (Gwynedd),9.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DT,Yes,53.141410,-4.167156,255140,362668,SH551626,1/1/1980 12:00:00 AM,,107,14,7,Bangor (Gwynedd),9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DU,Yes,53.140582,-4.170713,254899,362583,SH548625,1/1/1980 12:00:00 AM,,148,34,18,Llanfairpwll,9.3,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DW,Yes,53.138764,-4.166898,255148,362373,SH551623,1/1/1980 12:00:00 AM,,129,24,13,Bangor (Gwynedd),9.5,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4DY,Yes,53.139371,-4.170562,254905,362448,SH549624,1/1/1980 12:00:00 AM,,167,19,9,Llanfairpwll,9.4,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4EA,Yes,53.141564,-4.176982,254483,362705,SH544627,1/1/1980 12:00:00 AM,,133,12,4,Llanfairpwll,9.1,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4EB,Yes,53.142727,-4.180286,254266,362841,SH542628,1/1/1980 12:00:00 AM,,134,5,1,Llanfairpwll,8.9,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4ED,Yes,53.136886,-4.169779,254949,362170,SH549621,1/1/1980 12:00:00 AM,,173,25,12,Llanfairpwll,9.7,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4FB,Yes,53.140573,-4.167273,255129,362575,SH551625,5/1/2015 12:00:00 AM,,107,,,Bangor (Gwynedd),9.3,,,,,Gwynedd,Cwm-y-glo,
LL55 4FD,Yes,53.143209,-4.168677,255044,362871,SH550628,11/1/2015 12:00:00 AM,,112,,,Llanfairpwll,9.1,,,,,Gwynedd,Cwm-y-glo,
LL55 4HJ,Yes,53.130351,-4.210737,252187,361527,SH521615,1/1/1980 12:00:00 AM,,133,16,6,Llanfairpwll,10.1,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4HX,Yes,53.131975,-4.201702,252797,361689,SH527616,1/1/1980 12:00:00 AM,,140,12,6,Llanfairpwll,9.9,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4PY,Yes,53.141700,-4.207208,252462,362782,SH524627,1/1/1980 12:00:00 AM,,118,24,7,Llanfairpwll,8.8,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RA,Yes,53.135000,-4.205878,252528,362034,SH525620,1/1/1980 12:00:00 AM,,135,13,6,Llanfairpwll,9.6,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RB,Yes,53.145000,-4.199407,252995,363133,SH529631,1/1/1980 12:00:00 AM,,116,8,3,Llanfairpwll,8.5,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RE,Yes,53.140404,-4.178972,254346,362580,SH543625,1/1/1980 12:00:00 AM,,144,3,1,Llanfairpwll,9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RF,Yes,53.139861,-4.179199,254329,362520,SH543625,1/1/1980 12:00:00 AM,,153,7,4,Llanfairpwll,9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RG,Yes,53.141316,-4.182642,254104,362689,SH541626,1/1/1980 12:00:00 AM,,138,30,9,Llanfairpwll,9.0,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RH,Yes,53.142290,-4.185946,253886,362804,SH538628,1/1/1980 12:00:00 AM,,132,14,10,Llanfairpwll,8.9,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RJ,Yes,53.142061,-4.186149,253872,362779,SH538627,7/1/2010 12:00:00 AM,,130,11,4,Llanfairpwll,8.9,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RL,Yes,53.140735,-4.186943,253814,362633,SH538626,1/1/1980 12:00:00 AM,,129,23,9,Llanfairpwll,9.0,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RN,Yes,53.139126,-4.186892,253812,362454,SH538624,1/1/1980 12:00:00 AM,,135,13,4,Llanfairpwll,9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RP,Yes,53.139335,-4.188726,253690,362481,SH536624,1/1/1980 12:00:00 AM,,135,25,12,Llanfairpwll,9.2,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RR,Yes,53.136711,-4.188653,253686,362189,SH536621,1/1/1980 12:00:00 AM,,140,14,8,Llanfairpwll,9.5,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RS,Yes,53.137379,-4.190944,253535,362268,SH535622,1/1/1980 12:00:00 AM,,135,21,7,Llanfairpwll,9.4,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RT,Yes,53.136893,-4.191951,253466,362216,SH534622,1/1/1980 12:00:00 AM,,136,21,9,Llanfairpwll,9.4,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RU,Yes,53.135396,-4.196091,253184,362058,SH531620,1/1/1980 12:00:00 AM,,145,17,8,Llanfairpwll,9.5,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RW,Yes,53.139920,-4.188203,253727,362545,SH537625,1/1/1980 12:00:00 AM,,131,13,4,Llanfairpwll,9.1,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4RY,Yes,53.130859,-4.193512,253341,361548,SH533615,1/1/1980 12:00:00 AM,,194,89,36,Llanfairpwll,10.1,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL55 4SA,Yes,53.126217,-4.196101,253152,361037,SH531610,1/1/1980 12:00:00 AM,,219,27,11,Llanfairpwll,10.6,,,Dwr Cymru Welsh Water,,Gwynedd,Cwm-y-glo,
LL56 4QU,Yes,53.185571,-4.170770,255047,367587,SH550675,8/1/1993 12:00:00 AM,,105,2,1,Llanfairpwll,4.7,,,Dwr Cymru Welsh Water,,Gwynedd,Bethel a'r Felinheli,