Postcode BN21
Eastbourne · East Sussex, England
BN21 is the postcode of Eastbourne in East Sussex, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- BN21
- County
- East Sussex
- Country
- England
- Country
- United Kingdom
Place with postcode BN21
| Place | County | Location |
|---|---|---|
| Eastbourne | East Sussex | 50.769, 0.284 |
Near London
The nearest major city is London, about 87 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode BN21?
Eastbourne.
Which county and country is BN21 in?
East Sussex, England, United Kingdom.
What is the nearest major city to BN21?
London, about 87 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.