Banner Bank Online Banking

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Banner Bank was founded in 1890 as the National Building Loan & Trust Association. It is headquartered in Walla Walla, Washington with 89 branch offices throughout Idaho, Oregon and Washington.




  • Branch/ATM Locator – Click the ‘Allow’ button on the top of the internet browser to allow the webpage to automatically detect the closest location
  • Websitebannerbank.com
  • Routing Numbers
    • 323371076 – Idaho, Washington, Oregon
    • Contact your local branch for details on internal routing numbers.
  • Swift Code – N/A
  • Customer Service Telephone Number – 1(800)-272-9933/1(509)-527-3636
  • Mobile Apps– Android | iPhone | iPad