Average GPS coordinates for El Potrero Postcode location: 16.204, -97.095. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Potrero on map:

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Listing cities & postcodes (3):
>> Oaxaca, 70935 El Potrero, Santa Maria Colotepec, GPS coordinates: 15.9044,-96.8997
>> Oaxaca, 71422 El Potrero, Villa Sola de Vega, GPS coordinates: 16.625,-96.4533
>> Oaxaca, 71799 El Potrero, Santa Maria Huazolotitlan, GPS coordinates: 16.0833,-97.9333