First Federal of Northern Michigan, Lewiston Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Federal of Northern Michigan, Lewiston Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2885 S. County Road 489 Lewiston, Michigan 49756 Montmorency County View other branches Phone: 989-786-9114 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072414051YN272471085YY From: To: