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 0JS,Yes,51.816300,-0.155053,527270,214684,TL272146,1/1/1980 12:00:00 AM,,82,4,3,Welwyn North,2.7,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural AL6 0JY,Yes,51.815893,-0.153720,527363,214641,TL273146,1/1/1980 12:00:00 AM,,81,38,14,Welwyn North,2.8,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural AL6 0JZ,Yes,51.816509,-0.152911,527417,214711,TL274147,1/1/1980 12:00:00 AM,,81,17,7,Welwyn North,2.8,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural AL6 0LA,Yes,51.816711,-0.154862,527282,214730,TL272147,1/1/1980 12:00:00 AM,,82,51,24,Welwyn North,2.7,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural AL6 0LG,Yes,51.818739,-0.155737,527216,214954,TL272149,1/1/1980 12:00:00 AM,,84,41,16,Welwyn North,2.6,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural AL6 0LH,Yes,51.821198,-0.154882,527268,215229,TL272152,1/1/1980 12:00:00 AM,,87,9,3,Welwyn North,2.6,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural AL6 0LQ,Yes,51.819450,-0.154634,527290,215035,TL272150,1/1/1980 12:00:00 AM,,86,85,36,Welwyn North,2.6,Tewin,Affinity Water,Thames Water,East Hertfordshire,Hertford Rural,Hertford Rural