Post office locations in 21623
| Post Office | Address | Phone | Hours |
| CHURCH HILL | 558 MAIN ST CHURCH HILL, MD 21623 - 9998 | 410-556-6118 | Mon-Fri 8:30am - 12:00pm 1:00pm - 4:30pm Sat 8:30am - 10:00am Sun Closed |
| Post Office | Address | Phone | Hours |
| CHURCH HILL | 558 MAIN ST CHURCH HILL, MD 21623 - 9998 | 410-556-6118 | Mon-Fri 8:30am - 12:00pm 1:00pm - 4:30pm Sat 8:30am - 10:00am Sun Closed |