PassportMap

Olmito Post Office

Post office

7955 North Highway 77, Olmito, TX 78575

(956) 350-4712

Hours are not published. Call before you go.

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

Olmito Post Office accepts new U.S. passport applications in person in Olmito, TX. First-time and child visits are booked on the USPS scheduler. Search ZIP 78575. How to apply · How to renew