59,945
Population
21,874
Households
1,184
Postcodes
6
Sectors
About BT48
The BT48 postcode district covers Derry, Cityside, Ballynagard, Coshquin, Rosemount, The Collon, Culmore in Derry City and Strabane. It falls under the Londonderry post town. The area has a population of approximately 59,945.