Town Hall Address 104 South Main St. Thrall, TX 76578 United States- Williamson County Website http://cityofthrall.com Fire District 512-898-4272 214 South Main St. Thrall, TX 76578 United States Town Clerk 512-898-5306 104 South Main St. Thrall, TX 76578 United States Water 512-898-5306 104 South Main St. Thrall, TX 76578 United States Sewer 512-898-5306 104 South Main St. Thrall, TX 76578 United States County Williamson