National Bank; Banking, Mortgage, Mortgage Services. We've always been the kind of bank where people like to do business and where people like to work, with a strong commitment to the communities we serve while cultivating relationships that grow and thrive together. And now, as Bank OZK, we’re doubling down on our community bank heritage while leveraging banking technology to deliver exceptional customer service. Bank OZK offers a wide variety of checking accounts to meet your unique needs. From the basics, like Free Checking, to value pack accounts, like Bonus Checking, we have the product just for you.