M & I MARSHALL & ILSLEY BANK ROUTING ABA NUMBER

122105854 routing number is a 9-digit number designed and assigned to M & I Marshall & Ilsley Bank by The American Bankers Association (ABA) to identify the financial institution upon which a payment was drawn. M & I Marshall & Ilsley Bank routing numbers are also known as as "ABA numbers", "routing transit numbers" (RTN), or "check routing numbers". Routing numbers depend on the type of transaction made such as reorder M & I Marshall & Ilsley Bank checks, receive incoming domestic or international wire transfers, use the number for wire transfers to your M & I Marshall & Ilsley Bank account, or to set up direct deposits. Please call M & I Marshall & Ilsley Bank representative at (602) 748-2222 for more information.