BancFirst, Texoma Branch Basic Info Reviews Routing Numbers Map & Direction Name: BancFirst, Texoma Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 206 W. Highway 70 Kingston, Oklahoma 73439 Marshall County View other branches Phone: 580-564-2366 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer103002617YN103003632YY103109031YN103113001YN From: To: