Key Bank Online Banking Founded in 1825, Key Bank is one of the strongest financial service companies in the United States. It has over 1000 branches over 14 states. Customer Service Telephone 1(800) 539-2968 Online Banking Login How to Log In 1. Go to www.key.com. 2. At the log in area, enter your user ID and password. Click “Sign On.” How to Enroll 1. Go to www.key.com. 2. At the log in area, click “Enroll.” 3. Click “Let’s get started”…