Guaranty Bank Online Banking

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Guaranty Bank is a full service retail bank headquartered in Milwaukee, WI. They have over 125 branch locations, many in grocery stores, in five states including Wisconsin, Illinois, Michigan, Minnesota, and Georgia.




  • Branch/ATM Locator – Allow your browser to access your location to automatically detect the closest location.
  • Website – www.guarantybank.com
  • Routing Numbers
    • Illinois 071974408
    • Wisconsin 275071288
    • Minnesota 091071598
  • Swift Code – USBKUS44IMT
  • Customer Service Telephone Number – 414-362-4636
  • Mobile AppsAndroidiPhone |