Average GPS coordinates for Trefonen Postcode location: 52.833, -3.1. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Trefonen on map:

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Listing cities & postcodes (1):
>> Shropshire, SY10 Trefonen, Wales, GPS coordinates: 52.8333,-3.1