First Federal of Northern Michigan, Oscoda Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Federal of Northern Michigan, Oscoda Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 201 North State Street Oscoda, Michigan 48750 Iosco County View other branches Phone: 989-739-2061 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072414051YN272471085YY From: To: