You can cancel your Sirius XM service over the telephone by calling the support line toll free at 1-888-539-7474. When prompted, dial in your account number to verify your identity. Stay on the line to talk with a live operator. Tell the operator that you wish to cancel your account.
Be advised that you may have to pay an early cancellation fee if you cancel before the terms of your agreement have ended.
How to Cancel Your Sirius XM Service
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Dec