(48) Postnumre i Westminster, England
| Postnummer | By | Administrative amt | Befolkning | Areal |
|---|
| EC4A | — | — | 731 | 0,172 km² |
| EC4P | — | — | — | — |
| EC4Y | — | — | 757 | 0,179 km² |
| NW1 | London | England | 63.879 | 5,9 km² |
| NW6 | — | — | 66.436 | 5,1 km² |
| NW8 | London | England | 34.461 | 2,692 km² |
| SE1 | London | England | 70.170 | 5,9 km² |
| SW1A | — | — | 2.143 | 1,193 km² |
| SW1H | London | England | 2.145 | 0,175 km² |
| SW1P | London | England | 12.561 | 0,89 km² |
| SW1V | London | England | 21.309 | 1,081 km² |
| SW1W | London | England | 7.968 | 0,813 km² |
| SW1X | London | England | 6.660 | 0,795 km² |
| SW1Y | — | — | 531 | 0,281 km² |
| SW3 | — | — | 23.351 | 1,9 km² |
| SW7 | — | — | 17.963 | 1,637 km² |
| W1 | — | — | — | — |
| W1A | London | England | — | — |
| W1B | — | — | 2.805 | 0,185 km² |
| W1C | — | — | 487 | 92.590 m² |
| W1D | London | England | 4.253 | 0,218 km² |
| W1F | — | — | 2.433 | 0,207 km² |
| W1G | London | England | 5.179 | 0,311 km² |
| W1H | — | — | 11.445 | 0,406 km² |
| W1J | — | — | 3.143 | 0,399 km² |
| W1K | — | — | 2.536 | 0,583 km² |
| W1M | — | — | — | — |
| W1N | — | — | — | — |
| W1P | — | — | — | — |
| W1R | Westminster | England | — | — |
| W1S | — | — | 844 | 0,231 km² |
| W1T | London | England | 8.870 | 0,392 km² |
| W1U | London | England | 11.576 | 0,458 km² |
| W1V | Westminster | England | — | — |
| W1W | London | England | 3.042 | 0,266 km² |
| W1X | Westminster | England | — | — |
| W1Y | Westminster | England | — | — |
| W2 | London | England | 52.765 | 5,2 km² |
| W3 | London | England | 54.985 | 7,4 km² |
| W9 | London | England | 39.491 | 1,923 km² |
| WC1E | London | England | 1.922 | 0,243 km² |
| WC2A | — | — | 1.882 | 0,214 km² |
| WC2B | — | — | 1.484 | 0,195 km² |
| WC2E | — | — | 1.141 | 0,154 km² |
| WC2H | — | — | 2.344 | 0,27 km² |
| WC2N | — | — | 2.165 | 0,203 km² |
| WC2R | — | — | 487 | 0,207 km² |
| WC99 | — | — | — | — |
