Find Post office Near Me in Comstock Welcome to our new site: catalog of Post office of Comstock, Texas. Find Post office Near Me. United States Postal Service Establishment Finance Post office +1 800-275-8777 32108 W US Highway 90, Comstock, TX 78837 TEXAS-PAGES.COM Comstock Post office Types of organizations in Comstock, Texas All types Airport Atm Bar Campground Convenience store Establishment Finance Fire station Food Lodging Museum Park Post office School