Harvard Square Post Office

Post office

125 Mount Auburn Street, Cambridge, MA 02138

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 Cambridge Facilities in Massachusetts

Harvard Square Post Office accepts new U.S. passport applications in person in Cambridge, MA. First-time and child visits are booked on the USPS scheduler. Search ZIP 02138. How to apply · How to renew

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