About ZIP code 03803
The ZIP code 03803 routes mail to Portsmouth in the New Hampshire region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
03803 - Portsmouth
ZIP code 03803 is Portsmouth in New Hampshire, United States.
| ZIP code | 03803 |
| Place | Portsmouth |
| Region | New Hampshire |
| District | Rockingham |
| Country | United States (US) |
| Coordinates | 43.0718, -70.7626 (map) |