Usps Carroll Station Post Office

Post office

340 South Loudon Avenue, Baltimore, MD 21229

Mon - Fri 10:00am-2:00pm and 3:00pm-4:00pm By Appt Only

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

Book at USPS Directions Facilities in Baltimore Facilities in Maryland

Usps Carroll Station Post Office accepts new U.S. passport applications in person in Baltimore, MD. First-time and child visits are booked on the USPS scheduler. Search ZIP 21229. How to apply · How to renew

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