Average GPS coordinates for El Fronterizo Postcode location: 32.314, -114.921. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Fronterizo on map:

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Listing cities & postcodes (1):
>> Sonora, 83500 El Fronterizo, San Luis Rio Colorado, GPS coordinates: 32.3143,-114.9209