BT51 Castlerock
How to address mail to Castlerock
Recipient nameHouse number and street
CASTLEROCK
BT51
UNITED KINGDOM
Statistics for Postcode BT51 in Castlerock
- Population: 1,477 people
- Elevation: 54 m
- Time zone: Europe/London
- Nearest Postcode: BT51 Articlave (0.79 km)
- Postcodes within 5 km: 1
- Geographical Coordinates: Latitude 55.15, Longitude -6.7833
This is the only postcode serving Castlerock. It is more remote than 97% of postcodes in the country. The BT5xx range covers 45 postcodes across 44 localities. It sits in the north-west of Northern Ireland.