7
Cable Internet
Provider
Contact Information
Comcast
XFINITY
http://www.comcast.com/activate
http://www.xfinity.com/internetsetup
http://www.xfinity.com/internetsupport
1-800-XFINITY (1-800-934-6489)
For information about Comcast self-activation, see
Comcast Self-Activation on page 8.
Cox
https://activation.cox.net/selfactivation/newmodem.
cox
1-888-556-1193
Mediacom
https://maestro.mediacomcc.com/walledgarden/page/
login.jsp
1-844-2SIMPLE (1-844-274-6753)
Time Warner
Cable
https://www.timewarnercable.com/en/support/
internet/step-by-step/modem-activation.html
1-800-892-2253
Note: Your cable Internet provider’s contact information might
change. You can also find the contact number in your monthly Internet
service 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 and do the following:
a. When asked, provide your account information and provide
the modem router’s model number, which is C6900, serial
number, and MAC address.
The serial number and MAC address are on the modem
router label.
b. Wait for your cable Internet provider to confirm that your
modem router is active.