Yr Hwylfa is a locality in United Kingdom.
There are 1 postal codes in Yr Hwylfa.
There are 1 postal codes in Yr Hwylfa.
Postal Codes for Yr Hwylfa:
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LL55 1HT Yr HwylfaMenai, Gwynedd, Gwynedd, Wales GPS: 53.146584, -4.264500