Average GPS coordinates for Hadlyme Postcode location: 41.421, -72.414. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Hadlyme on map:

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Listing cities & postcodes (1):
>> Connecticut, 06439 Hadlyme, New London, GPS coordinates: 41.4212,-72.4141