Postcode TW3
Hounslow +3 · Greater London, England
TW3 is the postcode of Hounslow, Hounslow Central, Hounslow East and 1 other place 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
- TW3
- County
- Greater London
- Country
- England
- Country
- United Kingdom
4 places with postcode TW3
| Place | County | Location |
|---|---|---|
| Hounslow | Greater London | 51.468, -0.361 |
| Hounslow Central | Greater London | 51.471, -0.368 |
| Hounslow East | Greater London | 51.473, -0.357 |
| Hounslow West | Greater London | 51.472, -0.387 |
Near London
The nearest major city is London, about 17 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode TW3?
Hounslow, Hounslow Central, Hounslow East, Hounslow West.
Which county and country is TW3 in?
Greater London, England, United Kingdom.
What is the nearest major city to TW3?
London, about 17 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.