Average GPS coordinates for El Arroyo Postcode location: 17.033, -91.417. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Arroyo on map:

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Listing cities & postcodes (1):
>> Coahuila De Zaragoza, 26614 El Arroyo, Villa Union, GPS coordinates: 17.0333,-91.4167