Find Post office Near Me in Sumner Welcome to our new site: catalog of Post office of Sumner, Texas. Find Post office Near Me. United States Postal Service Establishment Finance Post office +1 800-275-8777 10182 Farm Road 79, Sumner, TX 75486 TEXAS-PAGES.COM Sumner Post office Types of organizations in Sumner, Texas All types Car repair Cemetery Church Electrician Establishment Finance Fire station Food Gas station General contractor Health Home goods store Lodging Moving company Park Place of worship Plumber Post office Real estate agency School Travel agency