46 First Interstate Bank Branches in Iowa
- Altoona
- Ames
- Ankeny
- Atlantic
- Bedford
- Burlington
- Carlisle
- Cedar Falls
- Cedar Rapids
- Chariton
- Clarinda
- Clive
- Corydon
- Council Bluffs
- Creston
- Des Moines
- Fort Dodge
- Gladbrook
- Glenwood
- Grinnell
- Hamburg
- Humeston
- Leon
- Marshalltown
- Mount Ayr
- Mount Pleasant
- Nevada
- Newton
- North Liberty
- Oakland
- Osceola
- Perry
- Prairie City
- Red Oak
- Shenandoah
- Sidney
- Sioux City
- Stanton
- Story City
- Sully
- Waterloo
- West Des Moines