Average GPS coordinates for Amherst Postcode location: 42.381, -72.501. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Amherst on map:

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Listing cities & postcodes (3):
>> Massachusetts, 01002 Amherst, Hampshire, GPS coordinates: 42.3671,-72.4646
>> Massachusetts, 01003 Amherst, Hampshire, GPS coordinates: 42.3919,-72.5248
>> Massachusetts, 01004 Amherst, Hampshire, GPS coordinates: 42.3845,-72.5132