Arvest Bank, Farmington Branch Basic Info Reviews Routing Numbers Map & Direction Name: Arvest Bank, Farmington Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 110 East Main Street Farmington, Arkansas 72730 Washington County View other branches Phone: 479-846-2115 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer082900872YY082908816YN101001500YN101289432YN103112976YY From: To: