Biloxi Main Post Office

Post office

135 Main St, Biloxi, MS 39530

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 Biloxi Facilities in Mississippi

Biloxi Main Post Office accepts new U.S. passport applications in person in Biloxi, MS. First-time and child visits are booked on the USPS scheduler. Search ZIP 39530. How to apply · How to renew

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