Average GPS coordinates for Campo Maior Postcode location: -4.787, -42.109. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Campo Maior on map:

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Listing cities & postcodes (1):
>> Piaui, 64280-000 Campo Maior, GPS coordinates: -4.7867,-42.1087