Postcode BT30
Ardglass +14 · County Down, Northern Ireland
BT30 is the postcode of Ardglass, Ballyhornan, Ballykinler and 12 other places 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
- BT30
- County
- County Down
- Country
- Northern Ireland
- Country
- United Kingdom
15 places with postcode BT30
| Place | County | Location |
|---|---|---|
| Ardglass | County Down | 54.263, -5.610 |
| Ballyhornan | County Down | 54.297, -5.557 |
| Ballykinler | County Down | 54.250, -5.800 |
| Castleward | County Down | 54.317, -5.683 |
| Clough | County Down | 54.291, -5.837 |
| Crossgar | County Down | 54.397, -5.761 |
| Downpatrick | — | 54.328, -5.715 |
| Kilclief | County Down | 54.333, -5.550 |
| Killard | County Down | 54.317, -5.683 |
| Killough | County Down | 54.251, -5.641 |
| Killyleagh | County Down | 54.401, -5.648 |
| Loughinisland | County Down | 54.317, -5.683 |
| Seaforde | County Down | 54.307, -5.842 |
| Strangford | County Down | 54.370, -5.557 |
| Toye | County Down | 54.317, -5.683 |
Nearby postcodes
Frequently asked questions
Which places use postcode BT30?
Ardglass, Ballyhornan, Ballykinler, Castleward, Clough, Crossgar, Downpatrick, Kilclief, Killard, Killough, Killyleagh, Loughinisland and 3 more.
Which county and country is BT30 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.