The First National Bank of Fort Smith, Chaffee Crossing Branch Basic Info Reviews Routing Numbers Map & Direction Name: The First National Bank of Fort Smith, Chaffee Crossing Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 8225 South Zero Fort Smith, Arkansas 72903 Sebastian County View other branches Phone: 479-788-4642 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer082900319YY082901842YN103112345YN From: To: