London Areas 1Balham 2Belgravia 3Camberley 4Chelsea 5Chingford 6Cobham 7Esher 8Farnborough 9Farnham 10Fleet 11Guildford 12Kingston upon Thames 13London 14Mayfair 15New Malden 16St Johns Wood 17Twickenham 18Walthamstow 19Walton-on-Thames 20Wandsworth 21Weybridge 22Wimbledon