Average GPS coordinates for Santa Maria Postcode location: 17.383, -100.278. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Santa Maria on map:

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Listing cities & postcodes (3):
>> Guerrero, 40825 Santa Maria, La Union de Isidoro Montes de Oca, GPS coordinates: 18.0833,-101.8333
>> Guerrero, 40922 Santa Maria, Tecpan de Galeana, GPS coordinates: 17.2333,-100.5667
>> Guerrero, 41701 Santa Maria, Ometepec, GPS coordinates: 16.8333,-98.4333