Swanzey, NH is a city located in Cheshire County, New Hampshire and has a land area of 44.33 square miles (114.81 km2). The water area for the city is 0.23 square miles or 0.60 km2. There is one unique zip code in Swanzey, New Hampshire and it is 03446. The area code(s) for Swanzey is 603.
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