Washington State Bank, Arnaudville Branch Basic Info Reviews Routing Numbers Map & Direction Name: Washington State Bank, Arnaudville Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 238 Union Street Arnaudville, Louisiana 70512 St. Landry County View other branches Phone: 337-754-5121 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065202461YY065204391YN From: To:
