Find Post office Near Me in Umbarger Welcome to our new site: catalog of Post office of Umbarger, Texas. Find Post office Near Me. Closed now United States Postal Service Establishment Finance Post office +1 800-275-8777 25380 Storey Street, Umbarger, TX 79091 TEXAS-PAGES.COM Umbarger Post office Types of organizations in Umbarger, Texas All types Car repair Church Establishment Finance Fire station Place of worship Post office