First Security Bank Address: 502 S Crawford St, Clarksville, AR 72830 Phone: (479) 754-4234 Banks Other Businesses: First Security Bank at 115 N Cravens St, Clarksville, AR 72830 Arvest Bank at 708 W Main, Clarksville, AR 72830 Bank Of The Ozarks at 1010 W Main St, Clarksville, AR 72830 Simmons First Bnk-Russellville at 1320 W Main St, Clarksville, AR 72830