Find Post office Near Me in Rio Vista Welcome to our new site: catalog of Post office of Rio Vista, Texas. Find Post office Near Me. United States Postal Service Establishment Finance Post office +1 800-275-8777 205 Highway 174 S, Rio Vista, TX 76093 TEXAS-PAGES.COM Rio Vista Post office Types of organizations in Rio Vista, Texas All types Accounting Airport Atm Bar Beauty salon Car repair Cemetery Church Convenience store Establishment Finance Food Gas station General contractor Hardware store Home goods store Laundry Moving company Park Place of worship Police Post office School Storage