Find Post office Near Me in Welch Welcome to our new site: catalog of Post office of Welch, Texas. Find Post office Near Me. Closed now United States Postal Service Establishment Finance Post office +1 800-275-8777 218 Juniper Street, Welch, TX 79377 TEXAS-PAGES.COM Welch Post office Types of organizations in Welch, Texas All types Cafe Doctor Establishment Finance Food Health Local government office Pharmacy Post office School