Frequent Search Topics
Client Service
Call 855-342-3400. Client Contact Center representatives are available Monday – Friday, 7:30 a.m. to 7:00 p.m. MT and Saturday, 9:00 a.m. to 2:00 p.m. MT.
Ordering Checks
Checks can be ordered at your local branch or via online banking.
Routing Number
First Interstate's routing number is 92901683.