Post office locations in 03801
| Post Office | Address | Phone | Hours |
| PORTSMOUTH | 345 HERITAGE AVE UNIT 100 PORTSMOUTH, NH 03801 - 9995 | 603-431-2871 | Mon-Fri 07:30 AM - 05:30 PM Sat 08:00 AM - 12:30 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| PORTSMOUTH | 345 HERITAGE AVE UNIT 100 PORTSMOUTH, NH 03801 - 9995 | 603-431-2871 | Mon-Fri 07:30 AM - 05:30 PM Sat 08:00 AM - 12:30 PM Sun Closed |