Average GPS coordinates for Santo António Postcode location: 41.225, -8.368. (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 (4):
>> Porto, 4620-092 Santo António, Ribeira Grande, Mazouco, GPS coordinates: 41.2833,-8.3833
>> Porto, 4620-731 Santo António, Ribeira Grande, Peredo, GPS coordinates: 41.231,-8.5238
>> Porto, 4625-626 Santo António, Ribeira Brava, Talhas, GPS coordinates: 41.1609,-8.3136
>> Porto, 4640-420 Santo António, Santa Cruz das Flores, Espadanedo, GPS coordinates: 41.225,-8.25