OnStar Phone Number

OnStar Phone number helpline is available 24 hours a day, 7 days a week for consumers to get support. Calling OnStar toll free number is best option to get your problem solved.

onstar phone number

OnStar Toll Free Number

1.888.466.7827Customer Service

Calling OnStar phone number is one of the best ways to contact OnStar Services, Using this toll free number, you can directly speak with a customer care executive within a few seconds.

You can call 1.888.466.7827 this helplines are open 24 hours a day, 7 days a week.

Other Phone Numbers

Customer service1.888.466.7827
TTY for Hearing/Speech Impaired1.877.248.2080

OnStar’s Best Toll-Free/800 Phone Number

Call 1.888.466.7827

This is OnStar’s best customer service phone number that you can use. Using this toll free 800 number, you can directly contact the OnStar customer agent. You can use this number for various tasks such as

  • Account Access
  • Payments
  • Plans & Pricing
  • Emergency Services
  • Cancel Account
  • Transfer an account
  • Special Assistance
  • Locked Out of Vehicle
  • A different issue

OnStar Head Office Phone Number

Corporate Head office address of OnStar.

400 Renaissance Center Detroit, MI 48265

For any general inquiries, please contact OnStar head office number : (248)588-6050

General Problems or Reasons that OnStar Customers Calling

  • Which vehicles have OnStar?
  • How do I cancel my account?
  • Can I transfer an account?
  • How do I activate or renew my account?
  • How do I report a concern with my OnStar services?
  • Can I mail my payment?
  • How much does OnStar cost?
  • What payment options are available for OnStar?
  • How can I get a refund?
  • What is my OnStar PIN?

Common Problem Categories

  • Cancel Service
  • Payments
  • Active / Transfer Account
  • Refund

Activate or Renew Account

You can manage your account and active connected services online by visiting your vehicle Owner Center or calling 1.888.4ONSTAR (1.888.466.7827).

OnStar Payment Department

If you have any problem or query regarding this department to visit on Payment department webpage.

Cancel Account

If at any time you wish to cancel your OnStar service, push your blue OnStar button to speak with an Advisor or call 1.888.4ONSTAR (1.888.466.7827). You cannot cancel your service online.

OnStar Customer Reviews

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