Post office locations in 20670
| Post Office | Address | Phone | Hours |
| PATUXENT RIVER | 459 CEDAR POINT RD PATUXENT RIVER, MD 20670 - 9998 | 301-342-7642 | Mon-Fri 09:00 AM - 05:00 PM Sat 08:30 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| PATUXENT RIVER | 459 CEDAR POINT RD PATUXENT RIVER, MD 20670 - 9998 | 301-342-7642 | Mon-Fri 09:00 AM - 05:00 PM Sat 08:30 AM - 12:00 PM Sun Closed |