OnStar Phone Number

888-466-7827
Customer Service
Average hold time
7 mins waitavoid wait
Call center hours
24 hours, 7 daysOpen
When calling OnStar
Press 1, then 0
Compared to other OnStar support
Voted #1 phone number for OnStar by 10809 customers

Save time before you call OnStar

GetHuman collects the best phone numbers and shortcuts for companies, but we also have how-to guides for common customer issues. Or you can hire us to call OnStar for you and help with your issue. Start by telling us why you're calling.
Here are some reasons that other OnStar customers called 888-466-7827 recently:
"Activating"GetHuman-californ4 mons ago"Cancel"GetHuman-kenhbrow4 mons ago"ipad"GetHuman-phillip224 mons ago
And these are some very popular reasons why other people call this OnStar number

Ready to call OnStar?

If you've looked at the wait time and tried our expert customer tools above and decided that getting on the phone with OnStar is your best option, we have more info about contacting them that might help you.
We have a few other tricks to try if you're calling OnStar, and if you are already viewing this on a phone or call-capable device, then you can click or tap below to just start a call.
Have OnStar call you insteadCall OnStar using our web-phoneDial 888-466-7827 now

Did you already call OnStar?

If you're already on the phone with OnStar, you may want to look over any tips we have for getting better results. If you already talked to a OnStar rep (or several), let us know if you were able to resolve your issue and how your experience was- it's how we customers push companies like OnStar to give better customer support.
My problem isn't fixed after calling themReview your phone call to OnStar support
Here are some things that other customers said after calling 888-466-7827 and talking to a OnStar customer service agent:
"onstar use to be very professi"GetHuman-leidalu10 mons ago"I discussed my issue and was i"~Donnaa yr ago"To get a tire change 2 hrs. O"~Lauraa yr ago

More OnStar 800 numbers and support

This is the best of 3 ways to contact OnStar according to 144125 GetHuman users. Below you can compare the ways to contact OnStar customer service.
Online Help
Customer Service
facebook.com/onstar?fref=ts
Customer Service
Compare contact info
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