Contact Us

Contact ORS

Phone hours are 8:30 a.m. to 5 p.m., Monday through Friday.
ORS is closed during state of Michigan observed holidays.

Customer Contact Center: 517-284-4400
From outside the Lansing area: 800-381-5111
Employer Reporting: 517-636-0166

DTMB Cashier
Lewis Cass Bldg., 4th Floor
320 S Walnut St.
Lansing, MI 48933

Michigan Office of Retirement Services
PO Box 30171
Lansing, MI 48909-7671