Average GPS coordinates for Haverhill Postcode location: 42.772, -71.097. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Haverhill on map:

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Listing cities & postcodes (4):
>> Massachusetts, 01830 Haverhill, Essex, GPS coordinates: 42.7856,-71.0721
>> Massachusetts, 01831 Haverhill, Essex, GPS coordinates: 42.7711,-71.1221
>> Massachusetts, 01832 Haverhill, Essex, GPS coordinates: 42.7792,-71.1095
>> Massachusetts, 01835 Haverhill, Essex, GPS coordinates: 42.7528,-71.0843