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 SS9 1EN,Yes,51.541886,0.666105,584979,185923,TQ849859,1/1/1980 12:00:00 AM,,39,75,24,Chalkwell,0.5,Southend-on-Sea,Southend-on-Sea,Essex & Suffolk Water,Anglian Water,Southend-on-Sea,Leigh,