OnStar Phone Number

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In the meantime, here are recent comments from other OnStar customers who called 888-466-7827:
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   Amazingly swift and friendly service.
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   Need to get a charge off my credit card and not was able to do that. I need to get this resol...
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   problem still not solved
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   Good service
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   My older father was lost and had went to wrong area to meet friends. I had no way to get hold...
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