Average GPS coordinates for São Miguel Postcode location: 40.853, -7.883. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). São Miguel on map:

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Listing cities & postcodes (3):
>> Viseu, 3440-466 São Miguel, Santa Comba Dão, Poiares, GPS coordinates: 40.3833,-8.1
>> Viseu, 5100-726 São Miguel, Ribeira Grande, Lamalonga, GPS coordinates: 41.125,-7.9167
>> Viseu, 5110-591 São Miguel, Corvo, Ferreira, GPS coordinates: 41.05,-7.6333