Grantham Zip Codes - Sullivan County NH

Grantham, NH Zip Code Map

Grantham, NH is a city located in Sullivan County, New Hampshire and has a land area of 28.23 square miles (73.12 km2). The water area for the city is 0.85 square miles or 2.20 km2. There is one unique zip code in Grantham, New Hampshire and it is 03753. The area code(s) for Grantham is 603.

Zip Codes for Grantham, NH (1)
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03753 Grantham Sullivan

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