Town Hall Address 901 North Elm St. Rolla, MO 65401 United States- Phelps County Website https://www.rollacity.org Town Clerk 573-426-6948 901 North Elm St. Rolla, MO 65401 United States Tax Collector 573-426-6980 901 North Elm St. Rolla, MO 65401 United States Town Hall Hours Monday - Friday: 8:00 AM - 12:00 PM and 1:00 PM - 5:00 PM County Phelps