Average GPS coordinates for Eido Postcode location: 41.966, -8.465. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Eido on map:

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Listing cities & postcodes (4):
>> Viana do Castelo, 4950-070 Eido, Povoação, Mazouco, GPS coordinates: 41.9939,-8.4985
>> Viana do Castelo, 4980-116 Eido, Vila Franca do Campo, Constantim, GPS coordinates: 42.1167,-8.225
>> Viana do Castelo, 4990-575 Eido, Ribeira Brava, Espadanedo, GPS coordinates: 41.9214,-8.4881
>> Viana do Castelo, 4990-790 Eido, Ribeira Brava, Sortes, GPS coordinates: 41.8333,-8.65