OSB Community Bank Address: 112 S Main St, Onsted, MI 49265 Phone: (517) 467-2144 Banks Other Businesses: Onsted Branch Library at 261 S Main St, Onsted, MI 49265 Warren Creative Designs at 257 S Main St, Onsted, MI 49265 Bruce's Repair at 10900 Stephenson Rd, Onsted, MI 49265 Travelers Key Club at 10550 Killarney Hwy, Onsted, MI 49265