W
26 districts, 18,537 postcodes
Westminster, Ealing, Hammersmith and Fulham, Kensington and Chelsea, Hounslow, Camden, and others
| District | Postcodes | Local authority |
|---|---|---|
| W10 | 694 | Kensington and Chelsea |
| W11 | 736 | Kensington and Chelsea |
| W12 | 824 | Hammersmith and Fulham |
| W13 | 596 | Ealing |
| W14 | 641 | Hammersmith and Fulham |
| W1A | 144 | Islington |
| W1B | 298 | Westminster |
| W1C | 139 | Westminster |
| W1D | 695 | Westminster |
| W1F | 756 | Westminster |
| W1G | 704 | Westminster |
| W1H | 691 | Westminster |
| W1J | 667 | Westminster |
| W1K | 878 | Westminster |
| W1S | 558 | Westminster |
| W1T | 923 | Camden |
| W1U | 1,070 | Westminster |
| W1W | 623 | Westminster |
| W2 | 1,130 | Westminster |
| W3 | 1,158 | Ealing |
| W4 | 1,044 | Hounslow |
| W5 | 1,013 | Ealing |
| W6 | 777 | Hammersmith and Fulham |
| W7 | 510 | Ealing |
| W8 | 689 | Kensington and Chelsea |
| W9 | 579 | Westminster |