The American Bankers Association routing number (a.k.a. ABA number or routing transit number) is a 9-digit number that serves to identify the specific financial institution responsible for the payment of a negotiable instrument.
Commerce Bank’s routing number is 101000019.
The sample graphic below shows where the routing number can be found in the bottom left corner of your checks.
Commerce Bank’s SWIFT code is CBKCUS44. A SWIFT code is used when transferring money between banks, particularly for international wire transfers.