Casey State Bank, Westfield Branch Basic Info Reviews Routing Numbers Map & Direction Name: Casey State Bank, Westfield Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 103 E. State Street Westfield, Illinois 62474 Clark County View other branches Phone: 217-967-5251 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071106195YN071121196YN From: To: