Average GPS coordinates for Vallejo Postcode location: 23.117, -100.55. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Vallejo on map:

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Listing cities & postcodes (1):
>> San Luis Potosi, 78862 Vallejo, Villa de Guadalupe, GPS coordinates: 23.1167,-100.55