Haverhill, NH is a city located in Grafton County, New Hampshire and has a land area of 4.60 square miles (11.91 km2). The water area for the city is 0.26 square miles or 0.67 km2. There is one unique zip code in Haverhill, New Hampshire and it is 03765. The area code(s) for Haverhill is 603.
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