First State Bank of Illinois, Monmouth Branch Basic Info Reviews Routing Numbers Map & Direction Name: First State Bank of Illinois, Monmouth Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 122 West Boston Avenue Monmouth, Illinois 61462 Warren County View other branches Phone: 309-734-9446 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071111986YY071124740YY071126489YY From: To:
