Post office locations in 21034
| Post Office | Address | Phone | Hours |
| DARLINGTON | 1113 MAIN ST DARLINGTON, MD 21034 - 9998 | 410-457-0461 | Mon-Fri 8:30am - 11:30am 12:30pm - 4:45pm Sat 8:30am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| DARLINGTON | 1113 MAIN ST DARLINGTON, MD 21034 - 9998 | 410-457-0461 | Mon-Fri 8:30am - 11:30am 12:30pm - 4:45pm Sat 8:30am - 12:00pm Sun Closed |