| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 02871 | Portsmouth | Portsmouth | Rhode Island | Providence-Warwick RI-MA |
| 03801 | Portsmouth | Portsmouth | New Hampshire | Boston-Cambridge-Newton MA-NH |
| 03802 | Portsmouth | Portsmouth | New Hampshire | Boston-Cambridge-Newton MA-NH |
| 03803 | Portsmouth | Portsmouth | New Hampshire | Boston-Cambridge-Newton MA-NH |
| 03804 | Portsmouth | Portsmouth | New Hampshire | Boston-Cambridge-Newton MA-NH |
| 12975 | Port kent | Port kent | New York | |
| 23701 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23702 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23703 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23704 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23705 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23707 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23708 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 23709 | Portsmouth | Portsmouth | Virginia | Virginia Beach-Norfolk-Newport News VA-N |
| 27960 | Portsmouth | Ocracoke | North Carolina | |
| 45662 | Portsmouth | Portsmouth | Ohio | Portsmouth OH |
| 45663 | Portsmouth | West portsmouth | Ohio | Portsmouth OH |
| 51565 | Portsmouth | Portsmouth | Iowa | |