Average GPS coordinates for Smithboro Postcode location: 42.04, -76.4. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Smithboro on map:

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Listing cities & postcodes (1):
>> New York, 13840 Smithboro, Tioga, GPS coordinates: 42.0395,-76.4004