First Bank of Ohio, Bloomville Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Bank of Ohio, Bloomville Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 22 South Marion Street Bloomville, Ohio 44818 Seneca County View other branches Phone: 419-983-2341 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer041202540YN044202466YN From: To: