Postal address
Castlerock, County Londonderry
The postal code of Castlerock, in County Londonderry (Northern Ireland, Reino Unido), is BT51. Include it in your shipments and forms.
Location
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Castlerock
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Frequently asked questions
What is the postal code of Castlerock?
The main postal code of Castlerock (County Londonderry, Reino Unido) is BT51.