Johnstown, Colorado, US is a home rule municipality in Weld and Larimer counties. It was incorporated in 1902 and has since grown to a population of over 15,000 as of 2010. The town is named after Harvey J. Johnston, a prominent businessman in the area during its founding. A notable attraction in Johnstown is the historic Northern Integrated Supply Project (NISP) water delivery system, which provides water to the town and surrounding areas.
AT&T takes the top spot among Cell Phone Stores in Johnstown, Colorado with 1 locations as of April 29, 2024. T-Mobile is in second place with 1 locations. Verizon Wireless rounds out the top three with 1 locations.