E1      Whitechapel, Stepney, Mile End
E2      Bethnal Green, Shoreditch
E3      Bow, Bromley-by-Bow
E4      Chingford, Highams Park
E5      Clapton
E6      East Ham
E7      Forest Gate, Upton Park
E8      Hackney, Dalston
E9      Hackney, Homerton
E10    Leyton
E11    Leytonstone
E12    Manor Park
E13    Plaistow
E14    Poplar, Millwall, Isle of Dogs, Docklands
E15    Stratford, West Ham
E16    Canning Town, North Woolwich, Docklands
E17    Walthamstow
E18    South Woodford

EC1    Clerkenwell, Finsbury, Barbican
EC2    Moorgate, Liverpool Street
EC3    Monument, Tower Hill, Aldgate
EC4    Fleet Street, St. Paul’s

N1      Islington, Barnsbury, Canonbury
N2      East Finchley
N3      Finchley Central
N4      Finsbury Park, Manor House
N5      Highbury
N6      Highgate
N7      Holloway
N8      Hornsey, Crouch End
N9      Lower Edmonton
N10    Muswell Hill
N11    Friern Barnet, New Southgate
N12    North Finchley, Woodside Park
N13    Palmers Green
N14    Southgate
N15    Seven Sisters
N16    Stoke Newington, Stamford Hill
N17    Tottenham
N18    Upper Edmonton
N19    Archway, Tufnell Park
N20    Whetstone, Totteridge
N21    Winchmore Hill
N22    Wood Green, Alexandra Palace

NW1   Regent’s Park, Camden Town
NW2   Cricklewood, Neasden
NW3   Hampstead, Swiss Cottage
NW4   Hendon, Brent Cross
NW5   Kentish Town
NW6   West Hampstead, Kilburn, Queens Park
NW7   Mill Hill
NW8   St John’s Wood
NW9   Kinsbury, Colindale
NW10 Willesden, Harlesden, Kensal Green
NW11 Golders Green, Hampstead Gdn Suburb

SE1    Waterloo, Bermondsey, Southwark, Borough
SE2    Abbey Wood
SE3    Blackheath, Westcombe Park
SE4    Brockley, Crofton Park, Honor Oak Park
SE5    Camberwell
SE6    Catford, Hither Green, Bellingham
SE7    Charlton
SE8    Deptford
SE9    Eltham, Mottingham
SE10  Greenwich
SE11  Lambeth
SE12  Lee, Grove Park
SE13  Lewisham, Hither Green
SE14  New Cross, New Cross Gate
SE15  Peckham, Nunhead
SE16  Rotherhithe, South Bermonsey, Surrey Docks
SE17  Walworth, Elephant & Castle
SE18  Woolwich, Plumstead
SE19  Upper Norwood, Crystal Palace
SE20  Penge, Anerley
SE21  Dulwich
SE22  East Dulwich
SE23  Forest Hill
SE24  Herne Hill
SE25  South Norwood
SE26  Sydenham
SE27  West Norwood, Tulse Hill
SE28  Thamesmead

SW1   Westminster, Belgravia, Pimlico
SW2   Brixton, Streatham Hill
SW3   Chelsea, Brompton
SW4   Clapham
SW5   Earl’s Court
SW6   Fulham, Parson’s Green
SW7   South Kensington
SW8   South Lambeth, Nine Elms
SW9   Stockwell, Brixton
SW10 West Brompton, World’s End
SW11 Battersea, Clapham Junction
SW12 Balham
SW13 Barnes, Castelnau
SW14 Mortlake, East Sheen
SW15 Putney, Roehampton
SW16 Streatham, Norbury
SW17 Tooting
SW18 Wandsworth, Earlsfield
SW19 Wimbledon, Merton
SW20 South Wimbledon, Raynes Park

W1     Mayfair, Marylebone, Soho
W2    Bayswater, Paddington
W3   Acton
W4   Chiswick
W5   Ealing
W6   Hammersmith
W7   Hanwell
W8   Kensington
W9   Maida Vale, Warwick Avenue
W10  Ladbroke Grove, North Kensington
W11  Notting Hill, Holland Park
W12  Shepherd’s Bush
W13  West Ealing
W14   West Kensington

WC1   Bloomsbury, Gray’s Inn
WC2   Covent Garden, Holborn, Strand

That's it for now, but we hope to be expanding soon!