Portsmouth Zip Codes - Rockingham County NH

Portsmouth, NH Zip Code Map

Portsmouth, NH is a city located in Rockingham County, New Hampshire and has a land area of 23.77 square miles (61.56 km2). The water area for the city is 5.43 square miles or 14.06 km2. There are 4 total unique zip codes in Portsmouth, New Hampshire. The area code(s) for Portsmouth is 603.

Zip Codes for Portsmouth, NH (4)
Zip Code
 City County
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03801 Portsmouth Rockingham
03802 Portsmouth Rockingham
03803 Portsmouth Rockingham
03804 Portsmouth Rockingham

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