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 AL6 9FD,Yes,51.824715,-0.212431,523292,215521,TL232155,12/1/2002 12:00:00 AM,,83,114,48,Welwyn North,1.4,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9FE,Yes,51.823935,-0.213173,523243,215433,TL232154,5/1/2003 12:00:00 AM,,83,90,42,Welwyn North,1.4,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9HP,No,51.824611,-0.214452,523153,215506,TL231155,1/1/1980 12:00:00 AM,3/1/2008 12:00:00 AM,86,,,Welwyn North,1.5,Welwyn,Affinity Water,,Welwyn Hatfield,Welwyn West,Welwyn AL6 9HX,Yes,51.824483,-0.214907,523122,215491,TL231154,1/1/1980 12:00:00 AM,,87,24,10,Welwyn North,1.6,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9HZ,Yes,51.825226,-0.214674,523136,215574,TL231155,1/1/1980 12:00:00 AM,,87,10,7,Welwyn North,1.6,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn