Surrey:
Guildford GU1 to GU5, Lightwater GU18, Bagshot GU19, Windlesham GU20, Woking GU21 to GU24, Virginia Water GU25, Thames Ditton KT7, West Molesey KT8, Chessington KT9, Esher KT10, Cobham KT11, Walton KT12, Weybridge KT13, West Byfleet KT14, Addlestone KT15, Chertsey KT16, Egham and Englefield Green TW20
Middlesex:
Teddington TW11, Hampton TW12, Feltham TW13 and TW14, Ashford TW15, Sunbury TW16, Shepperton TW17, Staines TW18 and Stanwell TW19
Bucks and Berks:
Iver SL0, Slough SL1 to SL3, Windsor SL4, Ascot SL5, Bracknell RG12 and RG42 and Crowthorne RG45