London borough Postcode areas 2011 sub-region London Assembly[4] Barking and Dagenham IG, RM, E East City and East Barnet EN, HA, N, NW North Barnet and Camden Brent HA, NW, W West Brent and Harrow Camden EC, WC, N, NW, W Central Barnet and Camden Ealing UB, W, NW West Ealing and Hillingdon Enfield EN, N North Enfield and Haringey Hackney E, EC, N East North East Hammersmith & Fulham SW, W, NW West West Central Haringey N North Enfield and Haringey Harrow HA, UB, NW West Brent and Harrow Havering RM, CM East Havering and Redbridge Hillingdon HA, TW, UB, WD West Ealing and Hillingdon Hounslow TW, W, UB West South West Islington EC, WC, N Central North East Kensington and Chelsea W, SW Central West Central Newham E East City and East Redbridge E, IG, RM East Havering and Redbridge Waltham Forest E, IG East North East Westminster NW, SW, WC, W Central West Central