Post office locations in 20782
| Post Office | Address | Phone | Hours |
| CALVERT CARRIER ANNEX | 6511 BALTIMORE AVE HYATTSVILLE, MD 20782 - 9998 | 301-209-8905 | |
| PRINCE GEORGES PLAZA | 6525 BELCREST RD LBBY 180 HYATTSVILLE, MD 20782 - 9996 | 301-779-3206 | Mon-Fri 9:00am - 2:00pm 3:30pm - 5:00pm Sat-Sun Closed |
| WEST HYATTSVILLE | 3116 HAMILTON ST HYATTSVILLE, MD 20782 - 9997 | 301-270-4394 | Mon-Fri 9:00am - 5:00pm Sat 9:00am - 1:00pm Sun Closed |