| Postcode | Coverage Area |
| EC1M | Clerkenwell,Farringdon |
| EC1N | Hatton Garden |
| EC1R | Finsbury,Finsbury Estate(West) |
| N1 | Northern Head District:barnsbury(Part),Canonbury,Kings Cross,Islington,Pentonville,De Beauvoir Town,Hoxton |
| N1C | Kings Cross Central |
| N6 | Highgate District:highgate,Hampstead Heath(Part) |
| N7 | Holloway District:holloway,Barnsbury(Part),Islington(Part),Tufnell Park(Part) |
| N19 | Upper Holloway District:upper Holloway,Archway,Tufnell Park(Part) |
| NW1 | North Western Head District:marylebone(Part),Euston,Regents Park,Baker Street,Camden Town,Somers Town,Primrose Hill(Part) Andlisson Grove(Part) |
| NW2 | Cricklewood District:cricklewood,Dollis Hill,Childs Hill,Golders Green(Part),Brent Cross(Part),Willesden(North),Neasden(North) |
| NW3 | Hampstead District:hampstead,Belsize Park,Frognal,Childs Hill(East),South Hampstead(North),Swiss Cottage(East),Primrose Hill(North),Chalk Farm(West),Gospel Oak |
| NW5 | Kentish Town District:kentish Town,Camden Town(Part),Gospel Oak(Part),Dartmouth Park,Chalk Farm(East),Tufnell Park(West) |
| NW6 | Kilburn District:kilburn,Brondesbury,West Hampstead,Queens Park,Kensal Green(Part),South Hampstead(South),Swiss Cottage(West) |
| NW8 | St Johns Wood District:st Johns Wood,Primrose Hill(South),Lisson Grove(North) |
| W1T | Fitzrovia,Tottenham Court Road |
| W9 | Maida Hill District-maida Hill,Maida Vale,Little Venice(Part) |
| WC1A | New Oxford Street |
| WC1B | Bloomsbury,British Museum,Southampton Row |
| WC1E | University College London |
| WC1H | St Pancras |
| WC1N | Russell Square,Great Ormond Street |
| WC1R | Grays Inn |
| WC1V | High Holborn |
| WC1X | Kings Cross,Finsbury(West),Clerkenwell(North) |
| WC2A | Lincolns Inn Fields,Royal Courts Of Justice,Chancery Lane |
| WC2B | Drury Lane,Kingsway,Aldwych |
| WC2H | Leicester Square,St. Giles |