New London Zip Codes - Merrimack County NH

New London, NH Zip Code Map

New London, NH is a city located in Merrimack County, New Hampshire and has a land area of 23.55 square miles (60.99 km2). The water area for the city is 3.09 square miles or 8.00 km2. There is one unique zip code in New London, New Hampshire and it is 03257. The area code(s) for New London is 603.

Zip Codes for New London, NH (1)
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03257 New London Merrimack

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