Postcode BT57
Bushmills +3 · County Antrim, Northern Ireland
BT57 is the postcode of Bushmills, Castlecatt, Dunseverick and 1 other place in County Antrim, 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
- BT57
- County
- County Antrim
- Country
- Northern Ireland
- Country
- United Kingdom
4 places with postcode BT57
| Place | County | Location |
|---|---|---|
| Bushmills | — | 55.205, -6.519 |
| Castlecatt | County Antrim | 55.218, -6.500 |
| Dunseverick | County Antrim | 55.233, -6.436 |
| Portballintrae | County Antrim | 55.216, -6.544 |
Nearby postcodes
Frequently asked questions
Which places use postcode BT57?
Bushmills, Castlecatt, Dunseverick, Portballintrae.
Which county and country is BT57 in?
County Antrim, 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.