Portsmouth, NH ZIP codes
Portsmouth, New Hampshire has 4 ZIP codes, including 3 PO Box ZIPs. They are in Rockingham County.
- Population in these ZIPs
- 23,484
- Avg. median income
- $106,800population-weighted
- Typical home value
- $801,900population-weighted
- Metro area
- Boston-Cambridge-Newton, MA-NH
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Portsmouth, NH ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 03801 | Rockingham County | 23,484 | $106,756 | $801,900 |
| 03802 PO Box | Rockingham County | — | — | — |
| 03803 PO Box | Rockingham County | — | — | — |
| 03804 PO Box | Rockingham County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Portsmouth
- New Castle 3 mi
- Rye 4 mi
- Greenland 4 mi
- Rye Beach 6 mi
- North Hampton 7 mi
- Stratham 8 mi
- Durham 8 mi
- Newmarket 9 mi
- Dover 10 mi
- Newfields 10 mi
- Hampton 10 mi
- Rollinsford 11 mi
Frequently asked questions
What is the ZIP code for Portsmouth, NH?
Portsmouth, NH has 4 ZIP codes: 03801, 03802, 03803 and 03804.
What county is Portsmouth, New Hampshire in?
Portsmouth ZIP codes are in Rockingham County.
Which Portsmouth ZIP codes are PO Boxes?
03802, 03803 and 03804 are PO Box or single-organization ZIP codes; they have no residential delivery area.