Average GPS coordinates for El Refugio Postcode location: 18.308, -89.367. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Refugio on map:

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Listing cities & postcodes (1):
>> Campeche, 24643 El Refugio, Calakmul, GPS coordinates: 18.3083,-89.3667