Hancock Bank Online Banking Hancock Bank, a subsidiary of Hancock Holding Company, was founded in 1899 in Gulfport, Mississippi. It now has branches in Arkansas, Kansas, Missouri, and Oklahoma. Customer Service Telephone 1(800)448-8812 Online Banking Login How to Log In: 1. Go to the Hancock Bank homepage, www.hancockbank.com. 2. On the upper right-hand corner of the website, enter your username and password. Click Sign On. How to Enroll: 1. Go to the Hancock Bank homepage, www.hancockbank.com. 2. On the…