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Keep in touch across town, across the country or across the globe.

Calling Features

Enjoy the most popular calling features at no additional charge. Plus, all 411 calls are free and unlimited.

You can manage your calling features at optimum.net/phone (Only in NY, NJ & CT) or by using your handset and the access (*) codes below.

Feature Active Deactivate
Caller ID Blocking
Block your name and number each time you make a call
*67 Automatically
deactivated after call
Busy Redial
Redial a busy number and get a call when the line is free
*66 -
Call Forwarding
Directs your incoming calls to a forwarding number so you never miss an important call
*72 *73
Block Unwanted Callers
Block up to 32 phone numbers from which you do not want to accept calls
*77 *87

Did you Know?

If you have Optimum TV and phone, you can see the Caller ID information for all incoming calls to your home phone right on your TV screen with Caller ID on TV.


You will need to set up your Voicemail before using it. Once done, you can check your messages from just about anywhere:

  • From home: dial your phone number
  • Away from home: dial your phone number and press (*) when your greeting begins
  • Online: In NY, NJ and CT, go to optimum.net/phone and sign in with your Optimum ID and password

International Calling


Stay connected to family and friends around the world.

Call over 65 destinations for as low as $0.02 per minute. Plus, our remote dial capability allows you to make international calls from any phone away from home, including your mobile or work phone.

You don't need to sign up for a plan, simply dial the international phone number and any charges will be added to your bill.