Average GPS coordinates for Calvão Postcode location: 41.783, -7.55. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Calvão on map:

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Listing cities & postcodes (1):
>> Vila Real, 5400-608 Calvão, São Roque do Pico, Poiares, GPS coordinates: 41.7833,-7.55