| NW1 |
London |
Euston, Camden Town, Somers Town, Primrose Hill, Gospel Oak, Lisson Grove |
1,644 |
| NW1W |
London |
Non-geographic, Euston |
1,145 |
| NW2 |
London |
Cricklewood, Willesden, Neasden, Dollis Hill, Childs Hill |
1,319 |
| NW3 |
London |
Hampstead, Chalk Farm, Primrose Hill, Swiss Cottage, Belsize Park, Gospel Oak, Frognal, Childs Hill |
1,336 |
| NW4 |
London |
Brent Cross, Hendon |
744 |
| NW5 |
London |
Kentish Town, Tufnell Park, Dartmouth Park, Gospel Oak |
894 |
| NW6 |
London |
Kilburn, Brondesbury, West Hampstead, Queen's Park |
1,295 |
| NW7 |
London |
Mill Hill, Arkley |
797 |
| NW8 |
London |
St John's Wood, Primrose Hill, Lisson Grove |
853 |
| NW9 |
London |
The Hyde, Colindale, Kingsbury, Queensbury, West Hendon |
1,452 |
| NW10 |
London |
Willesden, Acton, Harlesden, Kensal Green, Neasden, Old Oak Common, Park Royal, Stonebridge, Brent Park |
1,839 |
| NW11 |
London |
Golders Green, Hampstead Garden Suburb |
845 |
| NW26 |
London |
Non-geographic |
41 |
