25,936
Population
9,644
Households
813
Postcodes
3
Sectors
About BT51
The BT51 postcode district covers Coleraine, Aghadowey, Articlave, Bellany, Blackhill, Castlerock, Castleroe, Garvagh, Kilrea, Macosquin, Ringsend in Causeway Coast and Glens. It falls under the Coleraine post town. The area has a population of approximately 25,936.