Average GPS coordinates for San Onofre Postcode location: 19.272, -98.231. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Onofre on map:

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Listing cities & postcodes (1):
>> Tlaxcala, 90802 San Onofre, Chiautempan, Chiautempan, GPS coordinates: 19.2722,-98.2312