Postcode HA3
Harrow Weald +2 · Greater London, England
HA3 is the postcode of Harrow Weald, Kingsbury, Wealdstone 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
- HA3
- County
- Greater London
- Country
- England
- Country
- United Kingdom
3 places with postcode HA3
| Place | County | Location |
|---|---|---|
| Harrow Weald | Greater London | 51.611, -0.337 |
| Kingsbury | Greater London | 51.593, -0.321 |
| Wealdstone | Greater London | 51.594, -0.334 |
Near London
The nearest major city is London, about 17 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode HA3?
Harrow Weald, Kingsbury, Wealdstone.
Which county and country is HA3 in?
Greater London, England, United Kingdom.
What is the nearest major city to HA3?
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.