Postcode BT20
Bangor · Northern Ireland
BT20 is the postcode of Bangor in Northern Ireland, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- BT20
- County
- —
- Country
- Northern Ireland
- Country
- United Kingdom
Place with postcode BT20
| Place | County | Location |
|---|---|---|
| Bangor | — | 54.653, -5.669 |
Nearby postcodes
Frequently asked questions
Which places use postcode BT20?
Bangor.
Which county and country is BT20 in?
Northern Ireland, United Kingdom.
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.