Post office locations in 20686
| Post Office | Address | Phone | Hours |
| SAINT MARYS CITY | 16855 POINT LOOKOUT RD SAINT MARYS CITY, MD 20686 - 9998 | 301-862-2665 | Mon-Fri 9:30am - 1:00pm 2:00pm - 4:30pm Sat 9:00am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| SAINT MARYS CITY | 16855 POINT LOOKOUT RD SAINT MARYS CITY, MD 20686 - 9998 | 301-862-2665 | Mon-Fri 9:30am - 1:00pm 2:00pm - 4:30pm Sat 9:00am - 12:00pm Sun Closed |