Gallt Y Sil is a locality in United Kingdom.
There are 1 postal codes in Gallt Y Sil.
There are 1 postal codes in Gallt Y Sil.
Postal Codes for Gallt Y Sil:
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LL55 2SX Gallt Y SilHendre, Gwynedd, Gwynedd, Wales GPS: 53.134209, -4.259029