Post office locations in 21814
| Post Office | Address | Phone | Hours |
| BIVALVE | 20972 NANTICOKE RD BIVALVE, MD 21814 - 9998 | 410-873-2967 | Mon-Fri 12:00pm - 4:00pm Sat 7:00am - 10:45am Sun Closed |
| Post Office | Address | Phone | Hours |
| BIVALVE | 20972 NANTICOKE RD BIVALVE, MD 21814 - 9998 | 410-873-2967 | Mon-Fri 12:00pm - 4:00pm Sat 7:00am - 10:45am Sun Closed |