Average GPS coordinates for Harwinton Postcode location: 41.77, -73.073. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Harwinton on map:

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Listing cities & postcodes (1):
>> Connecticut, 06791 Harwinton, Litchfield, GPS coordinates: 41.7701,-73.0728