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Before you activate your Internet service, collect the following information:

  • Your cable Internet provider account information
  • Cable modem model number
  • Cable modem serial number
  • Cable modem MAC address

Your cable modem’s serial number and MAC address are located on the product label.

For more information, see the following articles:

To activate Internet service on your cable modem or modem router:

  1. Visit your cable Internet provider’s website and follow the onscreen instructions to activate your Internet service.
    Note: You can find your provider’s contact information on your Internet billing statement.
  2. If you are unable to activate your Internet service using the instructions on your cable Internet provider’s website, call your cable Internet provider for support.

For more information, see How can I troubleshoot my cable modem?

Last Updated:07/07/2025 | Article ID: 22715

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