| EC1 | City | N1 | Islington / Kings Cross | SW8 | South Lambeth |
| EC2 | City | N2 | East Finchley | SW9 | Stockwell |
| EC3 | City | N3 | Finchley (Church End) | SW10 | Chelsea (West) |
| EC4 | City | N4 | Finsbury Park | SW11 | Battersea |
| WC1 | Bloomsbury | N5 | Highbury | SW12 | Balham |
| WC2 | Charing X / Covent Gdn | N6 | Highgate | SW13 | Barnes |
| W1 | West End | N7 | Holloway | SW14 | Mortlake |
| | N8 | Hornsey | SW15 | Putney |
| W2 | Paddington | N9 | Lower Edmonton | SW16 | Streatham |
| W3 | Acton | N10 | Muswell Hill | SW17 | Tooting |
| W4 | Chiswick | N11 | New Southgate | SW18 | Wandsworth |
| W5 | Ealing | N12 | North Finchley | SW19 | Wimbledon |
| W6 | Hammersmith | N13 | Palmers Green | SW20 | Wimbledon (West) |
| W7 | Hanwell | N14 | Southgate | |
| W8 | Kensington | N15 | South Tottenham | SE1 | Southwark / Bermondsey |
| W9 | Maida Vale | N16 | Stoke Newington | SE2 | Abbey Wood |
| W10 | North Kensington | N17 | Tottenham | SE3 | Blackheath |
| W11 | Notting Hill | N18 | Upper Edmonton | SE4 | Brockley |
| W12 | Shepherds Bush | N19 | Upper Holloway / Archway | SE5 | Camberwell |
| W13 | West Ealing | N20 | Whetstone | SE6 | Catford |
| W14 | West Kensington | N21 | Winchmore Hill | SE7 | Charlton |
| | N22 | Wood Green | SE8 | Deptford |
| E1 | Whitechapel / Stepney | | | SE9 | Eltham |
| E2 | Bethnal Green | NW1 | Camden Town / Euston | SE10 | Greenwich |
| E3 | Bow / Old Ford | NW2 | Cricklewood | SE11 | Kennington |
| E4 | Chingford | NW3 | Hampstead | SE12 | Lee |
| E5 | Bow / Lea Bridge / Clapton | NW4 | Hendon | SE13 | Lewisham |
| E6 | East Ham / Upton Park | NW5 | Kentish Town | SE14 | New Cross |
| E7 | Forest Gate / Upton | NW6 | Kilburn | SE15 | Peckham |
| E8 | Hackney | NW7 | Mill Hill | SE16 | Rotherhithe |
| E9 | Hackney Wick / Homerton | NW8 | St John's Wood | SE17 | Walworth |
| E10 | Leyton | NW9 | Hendon (The Hyde) | SE18 | Woolwich |
| E11 | Leytonstone / Wanstead | NW10 | Willesden / Harlesden | SE19 | Norwood |
| E12 | Manor Park | NW11 | Golders Green | SE20 | Penge / Anerley |
| E13 | Plaistow | | | SE21 | West Dulwich |
| E14 | Isle of Dogs | SW1 | Victoria / St James's | SE22 | East Dulwich |
| E15 | Stratford / West Ham | SW2 | Brixton | SE23 | Forest Hill |
| E16 | Canning Town / Silvertown | SW3 | Chelsea | SE24 | Herne Hill |
| E17 | Walthamstow | SW4 | Clapham | SE25 | South Norwood |
| E18 | South Woodford | SW5 | Earls Court | SE26 | Sydenham |
| | SW6 | Fulham | SE27 | West Norwood |
| | SW7 | South Kensington | SE28 | Thamesmead |
|
| Outer areas of London without London postcodes |
| The codes below cover very large areas and in some cases extend well beyond London - only the parts within London are noted here. |
| | BR | Bromley / Orpington | | |
| | CR | Croydon | | |
| | DA | Dartford | | |
| | EN | Enfield / The Barnets (High, East, New) | | |
| | HA | Harrow / Wembley / Edgware | | |
| | IG | Ilford / Redbridge | | |
| | KT | Kingston / Surbiton | | |
| | RM | Romford / Dagenham / Hornchurch | | |
| | SM | Sutton / Cheam | | |
| | TW | Twickenham / Richmond / Hownslow / Isleworth | | |
| | UB | Uxbridge / Hayes | | |
|
| London Postal Districts © Modelreg.com - Bare Facts 2002 |