PassportMap

Usps Gambrills Post Office

Post office

388 Gambrills Road, Gambrills, MD 21054

(410) 923-1554

Monday - Friday 10am - 2pm Sat 11am - 12pm

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

Usps Gambrills Post Office accepts new U.S. passport applications in person in Gambrills, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21054. How to apply · How to renew