Average GPS coordinates for San Sebastian Postcode location: 20.433, -98.317. (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 (2):
>> Hidalgo, 43450 San Sebastian, San Bartolo Tutotepec, GPS coordinates: 20.5833,-98.1167
>> Hidalgo, 43538 San Sebastian, Huasca de Ocampo, GPS coordinates: 20.2833,-98.5167