| East London | ||
| E1 | Aldgate, Stepney, Mile End, Whitechapel | |
| E2 | Bethnal Green | Shoreditch |
| E3 | Bow | Bromley-by-Bow, Old Ford |
| E4 | Chingford | Highams Park |
| E5 | Clapton | |
| E6 | East Ham | Beckton |
| E7 | Forest Gate | Upton Park |
| E8 | Hackney | Dalston |
| E9 | Homerton | South Hackney |
| E10 | Leyton | |
| E11 | Leytonstone | Wanstead |
| E12 | Manor Park | |
| E13 | Plaistow | |
| E14 | Poplar | Isle of Dogs, Millwall |
| E15 | Stratford | West Ham |
| E16 | Victoria Docks | Canning Town, North Woolwich |
| E17 | Walthamstow | |
| E18 | Woodford | only South Woodford is in E18 most of Woodford itself is in IG8 |
| East Central London - the City | ||
| EC1 | North West: Clerkenwell, Finsbury, Barbican | |
| EC2 | North East: Moorgate, Liverpool Street | |
| EC3 | South East: Monument, Aldgate, Fenchurch St, Tower Hill | |
| EC4 | South West: Fleet Street, Temple, Blackfriars, St Paul's | |
| North London | ||
| N1 | Islington, Barnsbury, Canonbury | |
| N2 | East Finchley | eastern part of Hampstead Garden Suburb |
| N3 | Finchley Central | Finchley Church End |
| N4 | Finsbury Park | Manor House |
| N5 | Highbury | |
| N6 | Highgate | |
| N7 | Holloway | Lower Holloway see also N19 |
| N8 | Hornsey | Crouch End |
| N9 | Lower Edmonton | |
| N10 | Muswell Hill | |
| N11 | New Southgate | Friern Barnet |
| N12 | North Finchley | Woodside Park |
| N13 | Palmers Green | |
| N14 | Southgate | |
| N15 | South Tottenham | Seven Sisters |
| N16 | Stoke Newington | Stamford Hill |
| N17 | Tottenham | |
| N18 | Upper Edmonton | |
| N19 | Upper Holloway | Archway, Tufnell Park |
| N20 | Whetstone | Totteridge |
| N21 | Winchmore Hill | |
| N22 | Wood Green | Alexandra Palace |
| North West London | ||
| NW1 | Camden Town, Regent's Park, north Marylebone | |
| NW2 | Cricklewood | Dollis Hill, Neasden |
| NW3 | Hampstead | Belsize Park, Swiss Cottage |
| NW4 | Hendon | Brent Cross |
| NW5 | Kentish Town | |
| NW6 | Kilburn | Queens Park, South & West Hampstead, Brondesbury Park |
| NW7 | Mill Hill | |
| NW8 | St John's Wood | |
| NW9 | West Hendon | The Hyde, Kingsbury, Colindale |
| NW10 | Willesden | Harlesden, Kensal Green |
| NW11 | Golders Green | western part of Hampstead Garden Suburb |
| South East London | ||
| SE1 | Waterloo, Bermondsey, South Bank, The Borough, north Lambeth | |
| SE2 | Abbey Wood | Thamesmead South |
| SE3 | Blackheath | Kidbrooke, Westcombe Park |
| SE4 | Brockley | Crofton Park, Honor Oak Park |
| SE5 | Camberwell | |
| SE6 | Catford | Bellingham, Hither Green |
| SE7 | Charlton | |
| SE8 | Deptford | |
| SE9 | Eltham | Mottingham |
| SE10 | Greenwich | |
| SE11 | Kennington | 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, Norwood New Town |
| SE20 | Anerley | Penge |
| SE21 | Dulwich | West Dulwich |
| SE22 | East Dulwich | |
| SE23 | Forest Hill | |
| SE24 | Herne Hill | |
| SE25 | South Norwood | |
| SE26 | Sydenham | |
| SE27 | West Norwood | Tulse Hill |
| SE28 | Thamesmead | small parts of Thamesmead are in DA18 and SE2 |
| South West London | ||
| SW1 | Westminster, Belgravia, Pimlico, Victoria | |
| SW2 | Brixton | central and southern Brixton, Streatham Hill |
| SW3 | Chelsea | Brompton |
| SW4 | Clapham | |
| SW5 | Earl's Court | |
| SW6 | Fulham | Parson's Green |
| SW7 | Knightsbridge | South Kensington |
| SW8 | Nine Elms | South Lambeth, Vauxhall |
| SW9 | Stockwell | northern Brixton |
| SW10 | West Brompton | World's End, (Brompton is covered by SW7, SW3 and SW1) |
| 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, Collier's Wood |
| SW20 | West Wimbledon | Raynes Park, Cottenham Park, South Wimbledon |
| West London | ||
| W1 | the West End: Mayfair, Soho, south Marylebone | |
| W2 | Paddington, Bayswater, Hyde Park | |
| W3 | Acton | |
| W4 | Chiswick | |
| W5 | Ealing | |
| W6 | Hammersmith | |
| W7 | Hanwell | |
| W8 | Kensington | central Kensington |
| W9 | Maida Vale | Warwick Avenue, Maida Hill |
| W10 | North Kensington | Ladbroke Grove |
| W11 | Notting Hill | Holland Park |
| W12 | Shepherd's Bush | |
| W13 | West Ealing | |
| W14 | West Kensington | |
| West Central London | ||
| WC1 | Bloomsbury, Gray's Inn | |
| WC2 | Holborn, Strand, Covent Garden | |