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 1ET,Yes,53.144256,-4.268290,248386,363194,SH483631,1/1/1980 12:00:00 AM,,39,16,7,Llanfairpwll,9.4,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1EU,Yes,53.142908,-4.267785,248415,363043,SH484630,1/1/1980 12:00:00 AM,,40,55,25,Llanfairpwll,9.5,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1EY,Yes,53.144140,-4.266340,248516,363177,SH485631,1/1/1980 12:00:00 AM,,44,59,22,Llanfairpwll,9.3,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1HA,Yes,53.143403,-4.267258,248452,363097,SH484630,1/1/1980 12:00:00 AM,,42,84,26,Llanfairpwll,9.4,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1HB,Yes,53.144098,-4.265709,248558,363171,SH485631,1/1/1980 12:00:00 AM,,44,29,13,Llanfairpwll,9.3,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1HN,No,53.145269,-4.265143,248600,363300,SH485633,1/1/1980 12:00:00 AM,7/1/1997 12:00:00 AM,49,,,Llanfairpwll,9.2,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1HP,Yes,53.145382,-4.265328,248588,363313,SH485633,1/1/1980 12:00:00 AM,,48,14,8,Llanfairpwll,9.2,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1HW,Yes,53.145873,-4.264128,248670,363365,SH486633,1/1/1980 12:00:00 AM,,50,,,Llanfairpwll,9.1,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1HY,Yes,53.144964,-4.267475,248443,363271,SH484632,1/1/1980 12:00:00 AM,,38,35,15,Llanfairpwll,9.3,Caernarfon,Caernarfon,Dwr Cymru Welsh Water,,Gwynedd,Menai,
LL55 1LB,No,53.144314,-4.268083,248400,363200,SH484632,6/1/1981 12:00:00 AM,12/1/1990 12:00:00 AM,39,,,Llanfairpwll,9.4,Caernarfon,Caernarfon,,,Gwynedd,Menai,