Portsmouth zipcode
| City | Portsmouth |
| ZIP Code | 03801 |
| Type | Standard |
| State Code | NH |
| State | New Hampshire |
ZIP code of Portsmouth is 03801. This place is located in New Hampshire state in US. To send any postal service to Portsmouth, you must use 03801 zipcode.
The ZIP code 03801 is also used with 1 more city name of New Hampshire.
- Newington, NH