Heol Trelyn is a locality in United Kingdom.
There are 1 postal codes in Heol Trelyn.
There are 1 postal codes in Heol Trelyn.
Postal Codes for Heol Trelyn:
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NP12 2QL Heol TrelynPontllanfraith, Caerphilly, Gwent, Wales GPS: 51.655102, -3.206092