Postcode RM3
Harold Hill +1 · Greater London, England
RM3 is the postcode of Harold Hill, Harold Wood 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
- RM3
- County
- Greater London
- Country
- England
- Country
- United Kingdom
2 places with postcode RM3
| Place | County | Location |
|---|---|---|
| Harold Hill | Greater London | 51.595, 0.233 |
| Harold Wood | Greater London | 51.595, 0.233 |
Near London
The nearest major city is London, about 27 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode RM3?
Harold Hill, Harold Wood.
Which county and country is RM3 in?
Greater London, England, United Kingdom.
What is the nearest major city to RM3?
London, about 27 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.