Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Altitude,Population,Households,Nearest Station,Distance To Station (KM),Built Up Area,Water Company,Sewage Company,District,Ward,County Electoral Division NP1 7HY,No,51.617304,-3.178551,318499,191600,ST184916,1/1/1980 12:00:00 AM,6/1/1999 12:00:00 AM,103,,,Crosskeys,3.6,Cwmfelinfach,,,Caerphilly,Ynysddu, NP1 7HZ,No,51.617304,-3.178551,318499,191600,ST184916,8/1/1992 12:00:00 AM,6/1/1999 12:00:00 AM,103,,,Crosskeys,3.6,Cwmfelinfach,,,Caerphilly,Ynysddu, NP11 7HA,Yes,51.616724,-3.178146,318526,191535,ST185915,6/1/1999 12:00:00 AM,,101,85,35,Crosskeys,3.6,Cwmfelinfach,Dwr Cymru Welsh Water,,Caerphilly,Ynysddu, NP11 7HB,Yes,51.616745,-3.178767,318483,191538,ST184915,6/1/1999 12:00:00 AM,,99,86,39,Crosskeys,3.7,Cwmfelinfach,Dwr Cymru Welsh Water,,Caerphilly,Ynysddu, NP11 7HH,Yes,51.617954,-3.179261,318451,191673,ST184916,6/1/1999 12:00:00 AM,,104,77,32,Crosskeys,3.7,Cwmfelinfach,Dwr Cymru Welsh Water,,Caerphilly,Ynysddu, NP11 7HY,Yes,51.616673,-3.177812,318549,191529,ST185915,6/1/1999 12:00:00 AM,,101,85,34,Crosskeys,3.6,Cwmfelinfach,Dwr Cymru Welsh Water,,Caerphilly,Ynysddu,