A Comprehensive Guide to Block Caller ID: Does Star 67 Still Work in 2025?

The technological advancement has made information easily accessible to all. 

Having access to information sounds great until it’s your information.

The caller IDs for phone system have been around for quite a while. You can screen your incoming calls but so can other people.

With caller ID, your information is displayed on the receiver’s phone system making your personal information public.

With prevalence spam calls and identity theft, this technology can be disadvantageous.

So, are you looking to block caller ID? Do you think the age-old Star 67 still works?

Let’s take a deeper dive and find out what Star 67 is and does Star 67 still work in 2025.

What is Caller ID?

Caller Identification (Caller ID) is a telephone service that identifies an incoming caller by the caller’s name or phone number.

Caller ID can show:

• The calling party’s phone number.
• The name registered to that number.
• A location or “Unknown” in case the number is unlisted or blocked.

If you want to block your caller ID information from a specific person, there are various ways to do so. It’s easier to block your phone number than you think.

When you block your caller ID, the recipient’s phone will display “Private number”, “Blocked” or “Unknown number”.

However, you can’t block your number in some situations, such as when calling an emergency number 911. 

Additionally, some phones are programmed not to accept blocked numbers, and you may be unable to make a block call using some blocking method. 

What is Star 67, and What Does Star 67 Do?

Star 67 is a vertical service code used in North America to hide or block caller ID information. Star 67 (*67) is the way to block your number when making outgoing calls.

You can dial a unique or vertical service code *67 to hide your number from the person with whom you don’t want to share your number.

Adding *67 to the start of any number will block the caller ID when making a call to that number. 

Dial *67 and then the ten-digit phone number.

Example: *67 554 809 6770

This works even if the person already has your number on their phone. Instead of your number, the receiver sees a text like “Restricted,” “Blocked,” or “Private number.”

Reminder : *67 doesn’t work when calling a toll-free number.

Are you annoyed by nagging friends and annoying telemarketers? 

Dialing *67 before the number you are typing to call can solve your concerns.

Hide your caller ID with *67, which protects the caller’s information when making the phone call, and the recipient won’t know your identity. 

Want to block your number when calling a specific person? Then,

• Plug them as a contact.
• Save their number and add *67 at the front.
• From now on, this will automatically block your number when you call that contact.
• This way, caller ID feature can help maintain your privacy. 

The purpose of Star 67 is to temporarily hide your number so it does not appear on the recipient’s phone system.

How Does Star 67 Hide Your Caller ID?

Star 67 is a feature used to maintain the caller’s privacy. 

But if you have an Android phone or an iPhone, you can block your number automatically with built-in settings featured in mobile phones with simple settings. 

Star 67 hides your caller ID through the following steps:

• Dialing the code: Simply dial *67 and add your phone number.
• Caller ID blocking: *67 instructs the telephone network not to show the actual phone number to the call receiver.
• Recipient’s Display: To maintain the caller’s identity instead of the actual number, the caller ID displays “Private,” “Anonymous” or other similar indications.
• One-time use: It should be noted that you need to block caller ID on a per-call basis, not for every call you make to contact with the same number.

• Limitations: *67 can help maintain privacy only in landlines and cell phones. Mobile phones mainly use their built-in features in the setting.
• Emergency call: Caller ID *67 doesn’t work for emergency call service as they need your information for location tracking and call routing.

Instances Where Star 67 Fails to Function

The classic option of dialing *67 before the number you call still works. 

But if it doesn’t, there are many apps and built-in settings in some mobile phones (Samsung Galaxy, iPhone) to hide your caller ID. 

In a specific region or country, *67 may not function in hiding your number.

Here are some ways to block your number in case Star 67 fails to function:

• You can block your number by contacting your service provider or permanently changing your phone settings. 
• Using third-party apps like Google Voice, Burner, and Hushed.
• Some changes in phone settings can resolve the problem of hiding or blocking your number for a specific person.

For example, if you work in a call center, there can be instances where you have to call your clients using your phone number. 

To avoid callback in such a situation, add *67 with the number you want to call and implement specific settings on your phone that allow you to hide your number.

If dialing *67 is not working, you can call your service provider, or scan changes in phone settings to figure out the problem of hiding or blocking your number for a specific person.

In this digital age, technology evolves quickly, and many alternative methods exist to protect your privacy. 

Caller ID management has become more prevalent in telecommunications. The effectiveness of the *67 can change with time. 

Alternatives of *67

Currently, businesses and individuals use internet-based communication, which provides built-in features and email, video calls, and messaging apps where caller ID blocking is not applicable. 

In case your phone does not work for hiding your number due to some defaults, then don’t worry. 

You can still hide your phone number from specific people to keep them from seeing your name and number while calling. With these simple steps on your phone, you can hide your number and avoid spam calls.

To block your number on Android, Android users should:

• Open the phone app, 
• Tap the three dots in the top-right
• Select Settings, then Call Settings.
• Click on the additional setting, then Caller ID.
• Choose “Hide number,” and the number will be masked.

To disable these features on Android, choose “Show number” or “Network default.” 

To block your number on iPhone:

• Go to Settings.
• Tap on Phone. 
• Press Show My Caller ID.
• Use the toggle switch to Show or hide your number.

There are some apps you can use to block your number, such as call-blocking apps (Burner, Hushed, Google Voice app) in case *67 is not working on your phone system.

To hide your number on Google Voice:

• Open the Google Voice app
• Click on the menu.
• Go to settings. 
• Go to call.
• Toggle on anonymous caller ID.

Assessing the Effectiveness of *67 in the Present Day

Today, people use mobile devices where we can notice in-built features of caller ID blocking; *67 is only a traditional landline North American feature to hide your caller ID information. 

Also, it supports some mobile devices with access to the *67 code.

 *67 is the easy way to block your number from being displayed on the recipient’s phone. 

People are aware of spam and unwanted calls nowadays, so mobile and other communication device manufacturers create an in-built feature caller ID block system.

Consideration for Analyzing the Effectiveness of *67 in the Present Day:

• Carrier support: The effectiveness of *67 depends on your phone carrier. Not all carriers fully support *67.
• Recipient settings: Star 67 is not working because the person you call may have blocked restricted calls.
• Legal and emergency services: Star 67 doesn’t work while making emergency or legal calls.
• Alternative technology: Individuals and businesses may use email, video calls, voice calls or messaging apps that may not support *67 code.

Conclusion

In conclusion, caller ID blocking is an essential feature for users to control the visibility of their caller details while making calls. Star 67 is a commonly used method in North America for blocking numbers to maintain privacy.

By dialing *67 before the phone number, users can make calls without revealing their own number or information to the receiver.

This feature can be particularly useful alongside tools like a phone number generator, which helps users manage temporary numbers when they want added layers of privacy or anonymity.

Currently, businesses and individuals use internet-based communication, which provides built-in features like virtual calls where caller ID blocking is not applicable.

So, does star 67 still work?

Yes, it does. But with some limitations.

FAQs

Can you still use *67 to block your number?

Yes. If you are from North America, then you can use the *67 feature to block your number. However, you may have to use a different method to block your number if you are from another country.  

Why is this code *67 not working?

Here are some reasons why *67 may not work:

• *67 does not work in emergency service as they need caller IDs to ensure prompt and accurate service.
• *67 does not working if the recipient you blocks restricted calls.
• Star 67 is primarily a North American feature. *67 does not working in some countries or regions where this feature is not supported.
• Not all phone carriers fully support Star 67. 

Does star 67 still work on Android? 

Yes. You can still use *67 on Android to block your number. Due to technological changes, it may not work on some devices. It depends on the device you are using. However, there are other apps where you can contact people without providing your number.

What is *67 vs *69?

*67 is the feature that blocks the caller’s ID; however, *69 redials the recent incoming call.