What Is the GM Corporate Office Address?

As of January 2015, the corporate office address of the General Motors Company is 300 Renaissance Center, Detroit, Michigan, 48265. The mailing address is P.O. Box 33170, Detroit, Michigan, 48232-5170. The phone number of the GM corporate office is (313) 556-5000. The company employs over 212,000 workers around the world.

General Motors manufacture a variety of vehicles through different brands, including Chevrolet, Buick, GMC, Cadillac, Pontiac and Saturn. For Chevrolet customer assistance, call (800) 222-1020; for Buick, call (800) 521-7300; for GMC, call (800) 462-8782; for Cadillac, call (800) 458-8006; for Pontiac, call (800) 762-2737; and for Saturn, call (800) 553-6000.