Portsmouth, NH ZIP Codes, Coordinates & Counties
Portsmouth, New Hampshire has 1 ZIP code in Rockingham county. The approximate center of Portsmouth is 43.073, -70.805. Portsmouth has about 114,000 known street addresses.
ZIP codes in Portsmouth, NH
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 03801 | Rockingham | 43.073 | -70.805 |
Counties Portsmouth spans
Rockingham
Most common streets in Portsmouth
Lafayette, Maplewood, South, Middle, Woodbury, Sagamore, State, Cedar, White Cedar, Islington
Frequently asked questions
What ZIP codes are in Portsmouth, NH?
Portsmouth, New Hampshire has 1 ZIP code, ranging from 03801 to 03801. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Portsmouth, NH in?
Portsmouth is in Rockingham county.
What are the latitude and longitude of Portsmouth, NH?
The approximate center of Portsmouth, New Hampshire is latitude 43.073, longitude -70.805. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Portsmouth, NH have?
Portsmouth has 1 ZIP code.
How many addresses are in Portsmouth, NH?
Portsmouth, New Hampshire has about 114,000 known street addresses in the sthan.io US address database.
What are the most common streets in Portsmouth, NH?
Some of the most common street names in Portsmouth are Lafayette, Maplewood, South, Middle, Woodbury, Sagamore.
What cities are near Portsmouth, NH?
Cities near Portsmouth include Greenland (3 mi), New Castle (4 mi), Eliot (5 mi), Kittery (5 mi), Rye (5 mi).
Cities near Portsmouth
Greenland, NH (3 mi) New Castle, NH (4 mi) Eliot, ME (5 mi) Kittery, ME (5 mi) Rye, NH (5 mi) Rye Beach, NH (6 mi) Kittery Point, ME (6 mi) Stratham, NH (6 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database