Average GPS coordinates for Stonington Postcode location: 41.366, -71.916. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Stonington on map:

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Listing cities & postcodes (1):
>> Connecticut, 06378 Stonington, New London, GPS coordinates: 41.3664,-71.9155