Average GPS coordinates for San Sebastian Postcode location: 17.847, -99.864. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Sebastian on map:

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Listing cities & postcodes (3):
>> Guerrero, 39250 San Sebastian, Quechultenango, GPS coordinates: 17.5286,-99.2429
>> Guerrero, 40185 San Sebastian, Eduardo Neri, Zumpango Del Rio, GPS coordinates: 18.2458,-100
>> Guerrero, 41002 San Sebastian, Olinala, Olinala, GPS coordinates: 17.7667,-100.35