Take your statement and explain you want to payoff the loan. Branch Locations, directions and hours.In the Transactions tab, click Bill Payment. 1. There are two options to add a person as a payee. a. Leverage Columbia Bank's Mobile App to Bank on the Go. You can check balances, pay bills, deposit checks and so much more. 1) Call the mortgage department and request an official principal payoff letter. Rates and offers current as of September 2023 and are subject to change. Leverage Columbia Bank's Mobile App to Bank on the Go. You can check balances, pay bills, deposit checks and so much more. I have recently purchased and financed a used car from a dealer. I have financed the vehicle through a large bank.