The Juniata Valley Bank, Monument Square Branch Basic Info Reviews Routing Numbers Map & Direction Name: The Juniata Valley Bank, Monument Square Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1 East Market Street Lewistown, Pennsylvania 17044 Mifflin County View other branches Phone: 717-242-0377 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer031309343YN031310219YY From: To: