What is a Caller ID Block Code?

A Caller ID Block Code (usually *67 for the US and Canada) is a sequence dialed before a phone call that masks your real number on the recipient's caller ID.

How does this tool work?

Select your country and optionally enter your carrier name. The built-in lookup returns the appropriate Caller ID Block Code based on hard-coded values.

Which countries are supported?

At this time, the tool supports the United States and Canada. More countries may be added in future updates.

Is this tool free to use?

Yes, this tool is completely free and provides instant results to help you mask your caller ID.

Caller ID Block Code - Find Your Carrier's Blocking Code

Enhance Your Call Privacy

Caller ID Block Code

Discover your carrier's caller ID block code to hide your number. For the United States and Canada, the most common code is *67, but select your country and enter your carrier for confirmation.

Find Your Caller ID Block Code

Select your country and optionally enter your carrier to display your masking code.

Caller ID Block Code FAQ – Your Questions Answered

: A Caller ID Block Code is a sequence (typically *67 in the US and Canada) that you dial before a phone number to prevent your real number from appearing on the recipient's caller ID.
: Simply select your country and optionally enter your carrier name. The tool uses a built-in lookup table for US and Canadian carriers to display your Caller ID Block Code.
: Currently, the tool supports the United States and Canada. Additional countries may be added in the future.
: Yes, the Caller ID Block Code tool is completely free and instantly displays the relevant dialing code.