First Interstate Bank

  • Banks & Banking Services
1900 9th St
Boulder, CO 80302
(720) 890-0333
  • About

    Right where we need to be.
    First Interstate is a community bank headquartered in Billings, Montana. With more than 300 branches across Arizona, Colorado, Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming, we’re dedicated to helping these diverse communities reach their greatest potential—