Postcode BT31
Ballyward +1 · County Down, Northern Ireland
BT31 is the postcode of Ballyward, Castlewellan in County Down, 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
- BT31
- County
- County Down
- Country
- Northern Ireland
- Country
- United Kingdom
2 places with postcode BT31
| Place | County | Location |
|---|---|---|
| Ballyward | County Down | 54.277, -6.041 |
| Castlewellan | — | 54.257, -5.944 |
Nearby postcodes
Frequently asked questions
Which places use postcode BT31?
Ballyward, Castlewellan.
Which county and country is BT31 in?
County Down, 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.