County Londonderry County Postcodes
Northern Ireland, United Kingdom · 8 codes
County Londonderry County in Northern Ireland has 8 postcodes, from BT28 to BT52, serving 43 places.
Postcodes in County Londonderry
| Postcode | Places |
|---|---|
| BT28 | Ballinderry Lower |
| BT45 | Ballyronan, Bellaghy, Castledawson, Desertmartin, Draperstown, Fallaghloon +5 more |
| BT46 | Lisnamuck, Swatragh, Upperlands |
| BT47 | Claudy, Derry, Dungiven, Eglinton, Feeny, Londonderry +3 more |
| BT48 | Ballynagard, Cityside, Coshquin, Culmore, Rosemount, The Collon |
| BT49 | Ballykelly |
| BT51 | Aghadowey, Articlave, Bellany, Blackhill, Castlerock, Castleroe +4 more |
| BT52 | Ballyvelton, Cloyfin |
Frequently asked questions
What is the postcode of County Londonderry?
County Londonderry has 8 postcodes, from BT28 to BT52. The table lists the places each one serves.
How many places are listed in County Londonderry County?
43 places.
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.