Post office locations in 21562
| Post Office | Address | Phone | Hours |
| WESTERNPORT | 72 MAIN ST WESTERNPORT, MD 21562 - 9998 | 301-359-9261 | Mon-Fri 8:30am - 4:30pm Sat 8:30am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| WESTERNPORT | 72 MAIN ST WESTERNPORT, MD 21562 - 9998 | 301-359-9261 | Mon-Fri 8:30am - 4:30pm Sat 8:30am - 12:00pm Sun Closed |