Town Hall Address 205 Rock Island Ave. Dalhart, TX 79022 United States- Dallam, Hartley County Website https://www.dalharttx.gov Fire District 806-244-5454 110 Denrock Ave. Dalhart, TX 79022 United States Town Clerk 806-244-5511 205 Rock Island Ave. Dalhart, TX 79022 United States Water 806-244-2077 321 W. 1st St. Dalhart, TX 79022 United States Sewer 806-244-2077 321 W. 1st St. Dalhart, TX 79022 United States Tax Collector 806-244-5511 205 Rock Island Ave. Dalhart, TX 79022 United States Code Enforcement 806-244-5511 Ext. 3213 1901 E. 16th St. Dalhart, TX 79022 United States Town Hall Hours Monday - Friday: 8:00 AM - 5:00 PM County Dallam, Hartley