BMO HARRIS BANK NA Routing Number in IL is 122487226

Routing NumberBankAddressCityStateZip Code

122487226

BMO HARRIS BANK NA

1200 E WARRENVILLE RD

NAPERVILLE

IL

60563

Routing Number

122487226

Bank

BMO HARRIS BANK NA

Address

1200 E WARRENVILLE RD

City

NAPERVILLE

StateZip Code

IL

60563

ACH vs Wire Transfer

Transfer Support

ACH and wire transfers use different processing networks and may require different routing numbers.

ACH Transfer

ACH (Automatic Clearing House)


  • Takes 1–3 business days through a central network.

  • Generally low-cost or free.

  • Ideal for routine, non-urgent transactions

Wire Transfer

Wire Transfers


  • Completed instantly or within a business day across banks.

  • Comes with fees ranging from $15 to $50.

  • Ideal for urgent or global transactions ACH can't handle.

Where to find your
routing number

Check or statement

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Online banking

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On this website

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Fedwire

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FAQs

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