Average GPS coordinates for Trincheira Postcode location: 42.078, -8.283. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Trincheira on map:

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Listing cities & postcodes (1):
>> Viana do Castelo, 4960-130 Trincheira, São Roque do Pico, Mazouco, GPS coordinates: 42.0778,-8.2833