Post office locations in 21649
| Post Office | Address | Phone | Hours |
| MARYDEL | 114 HALLTOWN RD MARYDEL, MD 21649 - 9998 | 410-482-8081 | Mon-Fri 08:00 AM - 12:00 PM 01:00 PM - 04:30 PM Sat 10:00 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| MARYDEL | 114 HALLTOWN RD MARYDEL, MD 21649 - 9998 | 410-482-8081 | Mon-Fri 08:00 AM - 12:00 PM 01:00 PM - 04:30 PM Sat 10:00 AM - 12:00 PM Sun Closed |