Outlying London post codes are divided according to six of the eight compass directions - there are no South or North-East postcodes (NE is Newcastle, and S is Sheffield). Central London has WC and EC post codes.

The outlying postcodes were originally numbered according to alphabetical district names.

Central London

(WC1, WC2, W1, SW1: West End)

(EC1, EC2, EC3, EC4: City)

• WC1 Euston, Bloomsbury

• WC2 Holborn, Covent Garden, Strand

• W1 Fitzrovia, Mayfair, Soho, Chinatown

• SW1 Victoria, Belgravia

• EC1 Clerkenwell, Barbican, Moorgate

• EC2 Old Street, Liverpool Street

• EC3 Bank, Tower Hill

• EC4 Cannon Street

North London

• N1 Islington

• N2 East Finchley

• N3 Finchley Central, Finchley Church End

• N4 Finsbury Park, Manor House

• N5 Highbury

• N6 Highgate

• N7 Holloway

• N8 Hornsey

• N9 Lower Edmonton

• N10 Muswell Hill

• N11 New Southgate

• 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

• N21 Winchmore Hill

• N22 Wood Green

East London

• E1 Aldgate, Whitechapel Brick Lane

• 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, Canary Wharf

• E15 Stratford, West Ham

• E16 Silvertown, Victoria Docks & North Woolwich

• E17 Walthamstow

• E18 Wanstead, South Woodford

South East London

• SE1 Southwark, London Bridge, Bermondsey

• SE2 Abbey Wood

• SE3 Blackheath, Westcombe Park

• SE4 Brockley, Crofton Park, Honor Oak Park

• SE5 Camberwell

• SE6 Catford, Hither Green

• SE7 Charlton

• SE8 Deptford

• SE9 Eltham

• SE10 Greenwich

• SE11 Lambeth, Kennington

• SE12 Lee, Grove Park

• SE13 Hither Green, Lewisham

• SE14 New Cross, New Cross Gate

• SE15 Peckham, Nunhead

• SE16 Rotherhithe, South Bermonsey, Surrey Docks

• SE17 Walworth, Elephant & Castle

• SE18 Woolwich

• SE19 Crystal Palace, Norwood

• SE20 Anerley

• SE21 Dulwich

• SE22 East Dulwich

• SE23 Forest Hill Brockley And Honor Oak, [Honor Oak Park]?

• SE24 Herne Hill

• SE25 South Norwood

• SE26 Sydenham

• SE27 West Norwood

• SE28 Thamesmead

South West London

• SW2 Brixton, Tulse Hill

• SW3 Chelsea, Brompton

• SW4 Clapham

• SW5 Earls Court

• SW6 Fulham, Parson's Green

• SW7 South Kensington

• SW8 South Lambeth

• SW9 Stockwell

• SW10 World's End, West Brompton

• SW11 Battersea, Clapham Junction

• SW12 Balham

• SW13 Barnes

• SW14 Mortlake, East Sheen

• SW15 Putney

• SW16 Streatham

• SW17 Tooting

• SW18 Wandsworth

• SW19 Wimbledon

• SW20 South Wimbledon, West Wimbledon

West London

• W2 Paddington

• W3 Acton

• W4 Chiswick

• W5 Ealing

• W6 Hammersmith

• W7 Hanwell

• W8 Kensington

• W9 Maida Vale

• W10 North Kensington

• W11 Notting Hill

• W12 Shepherd's Bush

• W13 West Ealing

• W14 West Kensington

North West London

• NW1 Camden

• NW2 Cricklewood

• NW3 Belsize Park

• NW4 Hendon

• NW5 Kentish Town

• NW6 Kilburn

• NW7 Mill Hill

• NW8 St. John's Wood

• NW9 Colindale

• NW10 Harlesden, Park Royal

• NW11 Golders Green

Greater London

East

• IG1 Ilford
• IG2 Gants Hill
• IG3 Seven Kings
• IG4 Redbridge
• IG5 Clayhall
• IG6 Barkingside
• IG7 Hainault
• IG8 Woodford Green
• IG11 Barking

• RM1 Romford
• RM2 Gidea Park
• RM3 Harold Wood
• RM4 Havering-atte-Bower
• RM5 Collier Row
• RM6 Chadwell Heath
• RM7 Rush Green
• RM8 Becontree Heath
• RM9 Becontree
• RM10 Dagenham
• RM11 Emerson Park
• RM12 Hornchurch
• RM13 Rainham
• RM14 Upminster

West

• TW1 Twickenham
• TW2 Whitton
• TW3 Hounslow
• TW4 Hounslow West
• TW5 Heston
• TW6 Heathrow
• TW7 Isleworth
• TW8 Brentford
• TW9 Richmond
• TW10 Ham
• TW11 Teddington
• TW12 Hampton
• TW13 Feltham
• TW14 Hatton

South East

• BR1 Bromley
• BR2 Keston
• BR3 Beckenham
• BR4 West Wickham
• BR5 St Mary Cray
• BR6 Orpington
• BR7 Chislehurst

• CR0 Croydon
• CR2 Selsdon
• CR4 Mitcham
• CR5 Coulsdon
• CR8 Purley

• DA1 Crayford
• DA5 Bexley
• DA6, DA7 Bexleyheath
• DA8, DA18 Erith
• DA14, DA15 Sidcup
• DA16 Welling
• DA17 Belvedere

• TN14 Cudham
• TN16 Biggin Hill

South West

• KT1 Kingston
• KT2 Norbiton
• KT3 New Maldon
• KT4 Worcester Park
• KT6 Surbiton
• KT9 Chessington

• SM1 Sutton
• SM2 Belmont
• SM3 Cheam
• SM4 Morden
• SM5 Carshalton
• SM6 Beddington

North

• EN1 Enfield
• EN2 Enfield Town
• EN3 Ponders End
• EN4 Cockfosters
• EN5 Barnet

North West

• HA0 Wembley
• HA1 Harrow on the Hill
• HA2 Harrow
• HA3 Wealdstone
• HA4 Ruislip
• HA5 Pinner
• HA6 Northwood
• HA7 Stanmore
• HA8 Edgware
• HA9 Brent

• UB1 Southall
• UB2 Norwood Green
• UB3 Hayes
• UB4 Yeading
• UB5 Northolt
• UB6 Perivale
• UB7 West Drayton
• UB8 Uxbridge
• UB10 Hillingdon