All Columbia Locations - Iowa
- Algona
- Ames
- Ankeny
- Boone
- Carroll
- Cedar Falls
- Cedar Rapids
- Centerville
- Charles City
- Cherokee
- Clarinda
- Clarion
- Clinton
- Clive
- Coralville
- Council Bluffs
- Cresco
- Davenport
- Decorah
- Denison
- Des Moines
- Dubuque
- Emmetsburg
- Estherville
- Fort Dodge
- Garner
- Grinnell
- Harlan
- Independence
- Iowa City
- Le Mars
- Marshalltown
- Mason City
- Monticello
- Mt Vernon
- Muscatine
- Osage
- Ottumwa
- Red Oak
- Sioux City
- Spencer
- Spirit Lake
- Storm Lake
- Tipton
- Urbandale
- Waterloo
- Waverly
- Webster City
- West Burlington
- West Des Moines