Average GPS coordinates for Santo António Postcode location: 41.893, -8.538. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Santo António on map:

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Listing cities & postcodes (3):
>> Viana do Castelo, 4970-384 Santo António, Corvo, Vale da Porca, GPS coordinates: 41.9417,-8.55
>> Viana do Castelo, 4970-719 Santo António, Corvo, Zoio, GPS coordinates: 41.9033,-8.4133
>> Viana do Castelo, 4990-790 Santo António, Ribeira Brava, Sortes, GPS coordinates: 41.8333,-8.65