This is OnStar's best phone number, the real-time current wait on hold and tools for skipping right through those phone lines to get right to a OnStar agent. This phone number is OnStar's Best Phone Number because 46,422 customers like you used this contact information over the last 18 months and gave us feedback. Common problems addressed by the customer care unit that answers calls to 888-466-7827 include Make a booking, Change booking, Cancel booking, Overcharge/Strange charge, Loyalty program and other customer service issues. The OnStar call center that you call into has employees from Englewood, CO / Argentina and is open 24 hours, 7 days according to customers. In total, OnStar has 1 phone number. It's not always clear what is the best way to talk to OnStar representatives, so we started compiling this information built from suggestions from the customer community. Please keep sharing your experiences so we can continue to improve this free resource.
Contacting OnStar - by phone or otherwise
While 888-466-7827 is OnStar's best toll-free number, there are 3 total ways to get in touch with them. The next best way to talk to their customer support team, according to other OnStar customers, is by telling GetHuman about your issue above and letting us find somebody to help you. Besides calling, the next favorite option for customers looking for help is via Online Help for Customer Service. If you think this information is inaccurate or know of other ways to contact OnStar please let us know so we can share with other customers.And you can click here if you want to compare all the contact information we've gathered for OnStar.