Postcode W3
Acton +5 · Greater London, England
W3 is the postcode of Acton, Chiswick High Road, East Acton and 3 other places in Greater London, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- W3
- County
- Greater London
- Country
- England
- Country
- United Kingdom
6 places with postcode W3
| Place | County | Location |
|---|---|---|
| Acton | Greater London | 51.510, -0.269 |
| Chiswick High Road | Greater London | 51.510, -0.269 |
| East Acton | Greater London | 51.511, -0.251 |
| South Acton | Greater London | 51.510, -0.269 |
| West Acton | Greater London | 51.510, -0.269 |
| Western Avenue | Greater London | 51.510, -0.269 |
Near London
The nearest major city is London, about 10 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode W3?
Acton, Chiswick High Road, East Acton, South Acton, West Acton, Western Avenue.
Which county and country is W3 in?
Greater London, England, United Kingdom.
What is the nearest major city to W3?
London, about 10 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.