Average GPS coordinates for São Jorge Postcode location: 41.256, -8.457. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). São Jorge on map:

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Listing cities & postcodes (3):
>> Porto, 4560-221 São Jorge, Penalva do Castelo, Lamas, GPS coordinates: 41.25,-8.4
>> Porto, 4600-594 São Jorge, Corvo, Edroso, GPS coordinates: 41.3167,-8.5458
>> Porto, 4620-031 São Jorge, Ribeira Grande, Constantim, GPS coordinates: 41.2,-8.425