Average GPS coordinates for San Juan Postcode location: 16.099, 121.065. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Juan on map:

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Listing cities & postcodes (5):
>> 2514 San Juan, GPS coordinates: 17.7422,120.4583
>> 2731 San Juan, GPS coordinates: 17.7422,120.4583
>> 2823 San Juan, GPS coordinates: 17.7422,120.4583
>> 4226 San Juan, GPS coordinates: 17.7422,120.4583
>> 6227 San Juan, GPS coordinates: 9.526,123.4913