Postal Code for Castlerock, Northern Ireland
The postal code for Castlerock, Northern Ireland, United Kingdom is BT51. With map location and coordinates.
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The postal code for Castlerock, Northern Ireland, United Kingdom is BT51:
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| BT51 | Castlerock | County Londonderry | 55.15, -6.783 |
‹ All postal codes in Northern Ireland
Frequently asked questions
What is the postal code of Castlerock?
The postal code of Castlerock is BT51.
Why does Castlerock have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.