Average GPS coordinates for Caxias Postcode location: -4.817, -43.421. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Caxias on map:

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Listing cities & postcodes (1):
>> Maranhao, 65600-000 Caxias, GPS coordinates: -4.8171,-43.4207