United States · ACH / ABA

102300129 — First Interstate Bank Of Montana

102300129 is an ACH / ABA routing number for FIRST INTERSTATE BANK OF MONTANA in BILLINGS, MT. Use it for direct deposit, bill pay and ACH transfers.

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Routing number

102300129

102300129 breaks down as 1023 for fed, 0012 for bank, 9 for check.

BILLINGS, MT

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