Average GPS coordinates for El Alamo Postcode location: 28.85, -110.417. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Alamo on map:

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Listing cities & postcodes (6):
>> Sonora, 83325 El Alamo, Hermosillo, GPS coordinates: 28.75,-111.4167
>> Sonora, 83448 El Alamo, San Luis Rio Colorado, San Luis Rio Colorado (horcasitas), GPS coordinates: 29.3667,-110.3833
>> Sonora, 85283 El Alamo, Etchojoa, GPS coordinates: 28.2833,-109.5833
>> Sonora, 85448 El Alamo, Guaymas, Guaymas (heroica Guaymas), GPS coordinates: 29.3667,-110.3833
>> Sonora, 85516 El Alamo, San Ignacio Rio Muerto, GPS coordinates: 28.6667,-110.3667
>> Sonora, 85830 El Alamo, Navojoa, Navojoa, GPS coordinates: 28.6667,-110.3667