South Boston Post Office

Post office

444 East 3rd St, South Boston, MA 02127

Hours are not published. Call before you go.

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

Book at USPS Directions Facilities in South Boston Facilities in Massachusetts

South Boston Post Office accepts new U.S. passport applications in person in South Boston, MA. First-time and child visits are booked on the USPS scheduler. Search ZIP 02127. How to apply · How to renew