Town Hall Address 132 West 10th St. Lamar, MO 64759 United States- Barton County Website https://cityoflamar.org Fire District 417-682-5512 1100 Broadway St. Lamar, MO 64759 United States Town Clerk 417-682-5554 132 West 10th St. Lamar, MO 64759 United States Tax Collector 417-682-5554 132 West 10th St. Lamar, MO 64759 United States County Barton