Find Post office Near Me in Mullin Welcome to our new site: catalog of Post office of Mullin, Texas. Find Post office Near Me. Closed now United States Postal Service Establishment Finance Post office +1 800-275-8777 108 East Sherman Street, Mullin, TX 76864 TEXAS-PAGES.COM Mullin Post office Types of organizations in Mullin, Texas All types Airport Car repair Cemetery Church Clothing store Establishment Finance Furniture store General contractor Home goods store Lodging Moving company Place of worship Post office Real estate agency School