Local Government OfficeThornton Utility Billing 2.0 (23)SaveAddress9500 Civic Center Dr, Thornton, CO 80229Phone(303) 538-7370Websitehttp://www.cityofthornton.net/ HoursMonday: 8:00 AM – 5:00 PMTuesday: 8:00 AM – 5:00 PMWednesday: 8:00 AM – 5:00 PMThursday: 8:00 AM – 5:00 PMFriday: 8:00 AM – 5:00 PMSaturday: ClosedSunday: Closed← Back home