Post office locations in 21401
| Post Office | Address | Phone | Hours |
| ANNAPOLIS | 60 WEST ST STE 101 ANNAPOLIS, MD 21401 - 9998 | 410-573-6537 | Mon-Fri 9:00am - 5:00pm Sat-Sun Closed |
| ANNAPOLIS CARRIER ANNEX | 210 ADMIRAL COCHRANE DR ANNAPOLIS, MD 21401 - 7388 | 410-573-6537 | |
| LEGION AVENUE | 210 LEGION AVE ANNAPOLIS, MD 21401 - 9996 | 410-573-6537 | Mon-Fri 9:00am - 5:00pm Sat-Sun Closed |