Sectors in W1B
| Sector | Main place | Postcodes |
|---|---|---|
| W1B 1 | City of Westminster | 65 |
| W1B 2 | City of Westminster | 49 |
| W1B 3 | City of Westminster | 18 |
| W1B 4 | City of Westminster | 65 |
| W1B 5 | City of Westminster | 100 |
Places covered by W1B
- City of Westminster Westminster · 294
W1B postcodes: City of Westminster
W1B is a postcode district in the W area (West London). It has 5 sectors and 297 live postcodes, mainly in City of Westminster (Westminster).