Rio Grande City Post Office

Post office

500 W. Eisenhower Street, Rio Grande City, TX 78582

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 Rio Grande City Facilities in Texas

Rio Grande City Post Office accepts new U.S. passport applications in person in Rio Grande City, TX. First-time and child visits are booked on the USPS scheduler. Search ZIP 78582. How to apply · How to renew