Average GPS coordinates for San Marcos Postcode location: 17.993, -99.847. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Marcos on map:

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Listing cities & postcodes (5):
>> Guerrero, 39960 San Marcos, San Marcos, San Marcos, GPS coordinates: 17.95,-99.4
>> Guerrero, 40553 San Marcos, Apaxtla, GPS coordinates: 17.9583,-99.9917
>> Guerrero, 40747 San Marcos, Ajuchitlan Del Progreso, GPS coordinates: 18.15,-100.45
>> Guerrero, 41129 San Marcos, Chilapa de Alvarez, GPS coordinates: 17.95,-99.4
>> Guerrero, 41300 San Marcos, Tlapa de Comonfort, Tlapa de Comonfort, GPS coordinates: 17.9583,-99.9917