Average GPS coordinates for San Joaquin Postcode location: 18.046, -91.425. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Joaquin on map:

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Listing cities & postcodes (2):
>> Tabasco, 86930 San Joaquin, Balancan, GPS coordinates: 18.0458,-91.425
>> Tabasco, 86933 San Joaquin, Balancan, GPS coordinates: 18.0458,-91.425