Onondaga, Michigan Area Code

Onondaga, MI Area Codes are

Onondaga, MI is officially utilizing one area code which is 517.

In addition to Onondaga, MI area code information read more about area code 517 details and Michigan area codes.

Onondaga, MI is located in Ingham County and observes the Eastern Time Zone. View our Times by Area Code tool.

Michigan Area Code Map