Average GPS coordinates for Uman Postcode location: 20.883, -89.75. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Uman on map:

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Listing cities & postcodes (1):
>> Yucatan, 97390 Uman, Uman, GPS coordinates: 20.8833,-89.75