First Interstate Bank's routing number is 092901529 (Billings, MT). This 9-digit ABA routing number is used for ACH transfers, direct deposits, and wire transfers.
How do I validate a First Interstate Bank routing number?
Enter the First Interstate Bank routing number in the validator above. It will verify the 9-digit format, check the ABA 3-7-1 weighted checksum, identify the Federal Reserve district, and confirm the bank name.
Where can I find my First Interstate Bank routing number?
Your First Interstate Bank routing number appears at the bottom-left of your checks (first 9 digits), in your online banking portal, or on your bank statements. Note that First Interstate Bank may use different routing numbers depending on your state or transaction type.
In which states does First Interstate Bank operate?
Based on routing number data, First Interstate Bank operates in MT. Each regional office may have its own routing number for processing local transactions.