Usps Catonsville Finance Post Office

Post office

1001 Frederick Road, Catonsville, MD 21228

Mon - Fri 10:00am - 3:45pm Saturday 10:00am-1:00pm

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

Book at USPS Directions Facilities in Catonsville Facilities in Maryland

Usps Catonsville Finance Post Office accepts new U.S. passport applications in person in Catonsville, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21228. How to apply · How to renew