Find Post office Near Me in Knippa Welcome to our new site: catalog of Post office of Knippa, Texas. Find Post office Near Me. United States Postal Service Establishment Finance Post office +1 800-275-8777 107 Main Street, Knippa, TX 78870 TEXAS-PAGES.COM Knippa Post office Types of organizations in Knippa, Texas All types Cemetery Establishment Finance Food General contractor Post office Roofing contractor