Postcode BT51
Aghadowey +10 · County Londonderry, Northern Ireland
BT51 is the postcode of Aghadowey, Articlave, Bellany and 8 other places in County Londonderry, 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
- BT51
- County
- County Londonderry
- Country
- Northern Ireland
- Country
- United Kingdom
11 places with postcode BT51
| Place | County | Location |
|---|---|---|
| Aghadowey | County Londonderry | 55.017, -6.667 |
| Articlave | County Londonderry | 55.146, -6.773 |
| Bellany | County Londonderry | 55.064, -6.697 |
| Blackhill | County Londonderry | 55.064, -6.697 |
| Castlerock | County Londonderry | 55.150, -6.783 |
| Castleroe | County Londonderry | 55.064, -6.697 |
| Coleraine | — | 55.133, -6.667 |
| Garvagh | County Londonderry | 54.983, -6.667 |
| Kilrea | County Londonderry | 54.951, -6.557 |
| Macosquin | County Londonderry | 55.100, -6.717 |
| Ringsend | County Londonderry | 55.033, -6.750 |
Nearby postcodes
Frequently asked questions
Which places use postcode BT51?
Aghadowey, Articlave, Bellany, Blackhill, Castlerock, Castleroe, Coleraine, Garvagh, Kilrea, Macosquin, Ringsend.
Which county and country is BT51 in?
County Londonderry, 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.