Commercial National Bank of Texarkana, Arkansas Boulevard Branch Basic Info Reviews Routing Numbers Map & Direction Name: Commercial National Bank of Texarkana, Arkansas Boulevard Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1222 Arkansas Boulevard Texarkana, Arkansas 71854 Miller County View other branches Phone: 870-773-4561 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer082901046YY111924282NY From: To: