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 09:00 AM - 02:00 PM 03:30 PM - 05:00 PM Sat-Sun Closed |
| WEST HYATTSVILLE | 3116 HAMILTON ST HYATTSVILLE, MD 20782 - 9997 | 301-270-4394 | Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed |