How to block private and anonymous calls on your landline

Enable the Anonymous Call Rejection feature to block callers who hide their name and number from your caller ID.

How does Anonymous Call Rejection work?

When people call you from a blocked number, they are given the option to unblock their number. When they dial your number, they hear:

The party you are calling does not accept blocked calls. If you are calling from a blocked number, please hang up, pick up the receiver, press *87 and redial the phone number. When you do this, your name and number will appear for this call only.

This feature blocks only ANONYMOUS and PRIVATE calls. It does not block OUT OF AREA, UNAVAILABLE, UNKNOWN or NOT PROVIDED calls. If you're having problems with those kinds of calls, there are other call blocking features that you might consider instead. 

How to turn Anonymous Call Rejection ON and OFF

When we install Anonymous Call Rejection on your phone line, it is OFF. When you are ready to use it, you must turn it ON. Then, it will continue to work until you turn it OFF.

Turn ON Anonymous Call Rejection

To activate this feature:

  1. Pick up the receiver.
  2. Dial 77.
  3. Listen for the confirmation tone.
  4. Hang up the receiver.

Turn OFF Anonymous Call Rejection

To deactivate this feature:

  1. Pick up the receiver.
  2. Dial 87.
  3. Listen for the confirmation tone.
  4. Hang up the receiver.

Troubleshooting tips for Anonymous Call Rejection

Still having issues with blocking private and anonymous callers? Give these troubleshooting tips a shot. 

Make sure Anonymous Call Rejection has been turned ON

Anonymous Call Rejection is a feature that can be turned ON and OFF. When we install it on your phone line, it is OFF, and it will not work until you turn it ON. When you're ready to use this calling feature, dial 77 (or 1177 from a rotary phone) to activate it, and you'll hear two beeps confirming it's been activated.

Note: If you need to turn Anonymous Call Rejection OFF, dial 87 (or 1187 from a rotary phone), and you'll hear two beeps confirming it's been deactivated.

Be aware that a few anonymous calls may still ring through

Anonymous Call Rejection only prevents calls from ringing into your home if the caller's line is blocked and identified as PRIVATE or ANONYMOUS. It doesn't reject calls that your caller ID shows as UNAVAILABLE, OUT OF AREA, UNKNOWN or NOT PROVIDED. That's because those types of calls don't include the necessary data to support caller ID. Because of this, Anonymous Call Rejection can't block those calls. Examples of calls like this include: calls from cell phone networks, calls from large businesses (call centers), and operator-assisted calls (collect, pay phone, credit card or international calls).

If you need help blocking specific numbers or certain types of calls, a different type of calling feature might be a better fit.

Check your phone settings

Make sure your phone is set to TONE, not PULSE. Many phones have a P/T switch located on the side, bottom or back. If you don't see a physical switch, go into the phone's setup menu and look for the P/T settings. 

Need more help? Chat with us — we're here to help.

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