Attention Treasury Solutions Clients
Business Online Banking ACH files must be received by Thursday, February 14 in order to settle before the upcoming federal holiday (Washington’s Birthday). ACH files received on Friday, February 15 will not settle until Tuesday, February 19.
Please fill out the following form, which will be emailed directly to our customer support. Let us know about any questions or comments you may have. Please provide us with as much detail as you can, and we'll get back to you.
Note: If you are sending a message containing account numbers or other private financial information, please send it via a secure message within Online Banking
To send a secure message, please login to your Online Banking account. View our Support Center or Privacy Statement if you have questions about the types of information First Interstate Bank requests.