New! If you already have a username and password, it can now be used as your Optimum ID.

Optimum ID is your key to all things Optimum. With your Optimum ID, you can access the following:

• Optimum Online E-mail and Webmail
• Optimum Online Subscriber Home Page Optonline(.net)
• Optimum Store Online
• Optimum Homes
• Optimum Autos

Plus, the primary Optimum ID on your Cablevision account allows access to:

• Online Account Center
• My Optimum Voice
• Optimum Rewards

NOTE: To use your Optimum ID, you'll need to subscribe to the corresponding Optimum Service. For example, to access Optimum Online E-mail, you'll need to be an Optimum Online subscriber.

Click on the link below to contact a Customer Service representative via live chat to help you recover your Optimum ID. If you prefer to speak to a representative, please call 516-364-8400 or 631-267-6900.

Contact Customer Service

Click on the link below to contact a Customer Service representative via live chat to help you reset your password. If you prefer to speak to a representative, please call 516-364-8400 or 631-267-6900.

Contact Customer Service