Average GPS coordinates for San Gregorio Postcode location: 37.326, -122.356. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Gregorio on map:

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Listing cities & postcodes (1):
>> California, 94074 San Gregorio, San Mateo, GPS coordinates: 37.3255,-122.3556