Sectors in W1S
| Sector | Main place | Postcodes |
|---|---|---|
| W1S 1 | City of Westminster | 145 |
| W1S 2 | City of Westminster | 142 |
| W1S 3 | City of Westminster | 104 |
| W1S 4 | City of Westminster | 163 |
Places covered by W1S
- City of Westminster Westminster · 551
W1S postcodes: City of Westminster
W1S is a postcode district in the W area (West London). It has 4 sectors and 554 live postcodes, mainly in City of Westminster (Westminster).