Canadian Imperial Bank of Commerce (CIBC) is one of the biggest banks in Canada. You can find routing transit number for all branches of CIBC bank in Canada. Use the CIBC Routing Number Search tool or just click on the name of the city where your CIBC branch is situated. Routing Numbers are 9 digit bank identification number which are used for initiating direct debit, wire transfers, check routing and other electronic payments. You can also locate the routing number on the check book issued by your bank.