Attention Treasury Solutions Clients
Business Online Banking ACH files must be received by Thursday, January 17 in order to settle before the upcoming federal holiday (Martin Luther King, Jr. Day). ACH files received on Friday, January 18 will not settle until Tuesday, January 22.
Category: Personal Service: Credit Cards | Updated: December 19th, 2018
First Interstate Bank
PO Box 35138
Seattle, WA 98124-5138
ACH Payments: Set up through your local branch or our customer service line toll free at 1-888-833-3454 option #3.
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