Postal address
Castlereagh, County Antrim
The postal code of Castlereagh, in County Antrim (Northern Ireland, Reino Unido), is BT5. Include it in your shipments and forms.
Location
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Castlereagh
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Frequently asked questions
What is the postal code of Castlereagh?
The main postal code of Castlereagh (County Antrim, Reino Unido) is BT5.