Home > Wyoming Banks > Casper Banks > First Interstate Bank Casper > First Interstate Bank, Casper Downtown Branch > Routing Numbers
First Interstate Bank Routing Numbers
In our record, First Interstate Bank has a total of 2 routing numbers.
| Routing Number | Process FedACH | Process Fedwire | Location | Registered Name |
| 092901683 | Y | Y | Billings, MT | First Interstate Bank |
| 102300129 | Y | N | Billings, MT | First Interstate Bank Of Montana |
A routing number is a nine digit code, used in the United States to identify the financial institution. Routing numbers are used by Federal Reserve Banks to process Fedwire funds transfers, and ACH(Automated Clearing House) direct deposits, bill payments, and other automated transfers. The routing number can be found on your check.
The routing number information on this page was updated on Mar. 25, 2024
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