Mayo Post Office

Post office

1157 Mayo Rd, Mayo, MD 21106

(410) 956-2088

Hours: Monday - Friday 10:00am - 4:30pm; Saturday 9:00am - 12:00pm

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Mayo Facilities in Maryland

Mayo Post Office accepts new U.S. passport applications in person in Mayo, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21106. How to apply · How to renew