Postcode BT3
Belfast +2 · Belfast Greater, Northern Ireland
BT3 is the postcode of Belfast, Belfast City Airport, Belfast Harbour Estate in Belfast Greater, 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
- BT3
- County
- Belfast Greater
- Country
- Northern Ireland
- Country
- United Kingdom
3 places with postcode BT3
| Place | County | Location |
|---|---|---|
| Belfast | — | 54.583, -5.933 |
| Belfast City Airport | Belfast Greater | 54.583, -5.933 |
| Belfast Harbour Estate | Belfast Greater | 54.583, -5.933 |
Nearby postcodes
Frequently asked questions
Which places use postcode BT3?
Belfast, Belfast City Airport, Belfast Harbour Estate.
Which county and country is BT3 in?
Belfast Greater, 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.