If you have forgotten your username, we can email it to you after your identification is verified. Reset your password? New to Online Banking? First Service Bank has been in operation for 50 years and has locations in Greenbrier, Clinton, Shirley, Marshall, Yellville, Flippin, Mountain View, Conway and. First Service Bank is here to help with your home buying or refinance needs. Our Mortgage Specialists can walk you through the process or you can apply online in minutes.