1. Central London and The City
W1 Westminster (Mayfair, Piccadilly, Oxford Street, Regent Street, Soho, Tottenham Court Road, Marylebone), WC1 Russell Square and Holborn, WC2 Charing Cross and Covent Garden and Leicester Square , EC1 Clerkenwell and Faringdon and Finsbury, EC2 Bishopsgate, EC3 Fenchurch Street, EC4 Fleet Street
2. East London
E1 Whitechapel, E2 Bethnal Green, E3 Bow, E4 Chingford, E5 Clapton, E6 East Ham, E7 Forest Gate and , E8 Hackney and Dalston, E9 Homerton, E10 Leyton, E11 Leytonstone, E12 Manor Park, E13 Plaistow, E14 Poplar, E15 Stratford, E16 Victoria Docks and North Woolwich and Canning Town, E17 Walthamstow, E18 Woodford and South Woodford, E20 Olympic Park
3. North London
N1 Kings Cross and Islington, N2 East Finchley, N3 Finchley, N4 Finsbury Park, N5 Highbury, N6 Highgate, N7 Holloway, N8 Hornsey, N9 Lower Edmonton, N10 Muswell Hill, N11 New Southgate, N12 North Finchley, N13 Palmers Green, N14 Southgate, N15 South Tottenham, N16 Stoke Newington, N17 Tottenham, N18 Upper Edmonton, N19 Upper Holloway, N20 Whetstone, N21 Winchmore Hill, N22 Wood Green
4. North West London
NW1 Camden and Euston and Baker Street, NW2 Cricklewood, NW3 Hampstead and Swiss Cottage, NW4 Hendon, NW5 Kentish Town, NW6 Kilburn, NW7 Mill Hill, NW8 St John’s Wood, NW9 Kingsbury and Colindale, NW10 Willesden, NW11 Golders Green
5. South East London
SE1 Elephant & Castle and Waterloo, SE2 Abbey Wood, SE3 Blackheath, SE4 Brockley, SE5 Camberwell, SE6 Catford, SE7 Charlton, SE8 Deptford, SE9 Eltham, SE10 Greenwich, SE11 Kennington, SE12 Lee, SE13 Lewisham, SE14 New Cross, SE15 Peckham, SE16 Rotherhithe, SE17 Walworth, SE18 Woolwich, SE19 Norwood, SE20 Anerley, SE21 Dulwich, SE22 East Dulwich, SE23 Forest Hill, SE24 Herne Hill, SE25 South Norwood, SE26 Sydenham, SE27 West Norwood, SE28 Thamesmead
6. South West London
SW1 Belgravia and Victoria, SW2 Brixton, SW3 Chelsea, SW4 Clapham, SW5 Earls Court, SW6 Fulham, SW7 South Kensington, SW8 South Lambeth, SW9 Stockwell, SW10 West Brompton, SW11 Battersea, SW12 Balham, SW13 Barnes, SW14 Mortlake, SW15 Putney, SW16 Streatham, SW17 Tooting, SW18 Wandsworth, SW19 Wimbledon, SW20 West Wimbledon
7. West London
W2 Paddington, W3 Acton, W4 Chiswick, W5 Ealing, W6 Hammersmith, W7 Hanwell, W8 Kensington, W9 Maida Hill, W10 North Kensington, W11 Notting Hill, W12 Shepherds Bush, W13 West Ealing, W14 West Kensington
8. Greater London
Al – St Albans, Harpenden, Hatfield, Welwyn Garden City
Br – Bromley, Beckenham, Orpington, Swanley, West Wickham
Cr – Croydon, Caterham, Coulsdon, Mitcham, Purley, Thornton Heath, Warlingham
Da – Dartford, Bexley, Bexleyheath, Erith, Greenhithe, Gravesend, Sidcup, Welling
En – Enfield, Barnet, Broxbourne, Potters Bar, Waltham Abbey, Waltham Cross
HA – Harrow, Edgware, Northwood, Pinner, Ruislip, Stanmore, Wembley
IG – Ilford, Barking, Buckhurst Hill, Chigwell, Loughton, Woodford Green
KT – Kingston, Addlestone, Ashtead, Chertsey, Chessington, Cobham, Epsom, Esher, Leatherhead, Molesley, New Malden, Surbiton, Walton On Thames, West Byfleet, Weybridge, Worcester Park
RM – Romford, Dagenham, Grays, Hornchurch, Purfleet, Rainham, South Ockendon, Tilbury, Upminster,
SM – Sutton, Banstead, Carshalton, Morden, Wallington
TW – Twickenham, Ashford, Brentford, Egham, Feltham, Hampton, Hounslow, Isleworth, Richmond, Shepperton, Staines, Sunbury On Thames, Teddington
UB – Uxbridge, Greenford, Hayes, Hillingdon, Northolt, Perivale, Southall, West Drayton, Yeading
WD – Watford, Abbots Langley, Borehamwood, Bushey, Carpenders Park, Elstree, Kings Langley, Oxhey, Radlett, Rickmansworth