Postcode BT1
Belfast · Belfast, Northern Ireland
BT1 is the postcode of Belfast in Belfast, 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
- BT1
- County
- Belfast
- Country
- Northern Ireland
- Country
- United Kingdom
Place with postcode BT1
| Place | County | Location |
|---|---|---|
| Belfast | Belfast | 54.583, -5.933 |
Frequently asked questions
Which places use postcode BT1?
Belfast.
Which county and country is BT1 in?
Belfast, 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.