How to Hide Your Phone Number and Make Anonymous Calls?

Featured image for blog titled How to Hide Your Phone Number and Make Anonymous Calls with an smartphone with Calilio's incoming call interface for unknown number

Phone numbers certainly can be our identity. When you call your friend or for important business communications, it introduces you to the receiving party. Moreover, flaunting your phone number signals trust and openness when making phone calls. However, not every call demands transparency. In some situations, you might prefer to keep your number hidden to maintain privacy or avoid callbacks from unknown or less familiar contacts. In such a scenario, knowing how to hide your phone number becomes an essential skill.

The ability to make a private call by hiding your phone number allows you to share your identity only when you feel it necessary.

What is a private Call?

A private call is a phone call where the caller’s identity is not displayed to the receiver. When you make a private call, your phone number doesn’t show up on the recipient's caller ID. Instead of your phone number, the receivers typically see terms like "Private," "Anonymous," or "Unknown" when they get the call. This means that the person you’re calling can't see who's calling them. It offers you a layer of privacy.

Why do People Hide Phone Numbers?

In this digital world, even your phone number can lead to personal data breaches. Hiding your phone number when making a call can be a simple step towards protecting your personal information. Besides, it also helps you avoid potential unwanted distractions and interruptions. For instance, let’s assume you are required to make a business phone call outside of office hours, and you have to do it with your personal number. But you do not want to share your personal number to keep your professional and personal lives separate. In this condition, you would certainly want to make a call without caller ID.

Additionally, you may also want to hide numbers for safety concerns. Hiding your phone number when calling unknown numbers or services prevents potential misuse. It is especially important for individuals or businesses who need to maintain high personal security.

Pros and Cons of Hiding Phone Numbers when Making a Call

There certainly are many important reasons to hide phone numbers when making a call. But it’s also important to consider that it can have both positive and negative impacts.

Pros of Making a Private Call

Making a phone call without caller ID is not just about maintaining privacy; it also offers control and flexibility in various calling situations. Here is how it benefits you.

Privacy Protection

When you hide your phone number to make a call, you shield your identity from exposing it to the receiver. It is especially useful when calling unknown or less familiar contacts. It minimizes the risk of sharing and using your number without your consent. Therefore, it maintains a crucial aspect of your personal privacy.

Avoids Spam and Callbacks

When your phone number is visible, some receivers may record, share, and potentially use it for marketing or other unwanted communications. By making a private call, you can prevent your number from being recorded by individuals or even automated systems. It helps to keep your phone free from cluttering spam calls and unwanted callbacks.

Control Over Personal Information

When you make a private phone call, it also allows you to manage your personal boundaries. You can share your contact details only with those you trust. This control empowers you to manage your communications on your terms and keeps your personal information really personal.

Cons of Making a Private Call

While it offers many useful perks, hiding the phone number can significantly affect the receiver’s perception of your call. Consider the following drawbacks to make a balanced decision on when and how to make a private call.

Call Blocking or Rejection

As your number appears as 'Private' or 'Unknown,' the receiver may think the call is spam or a telemarketing attempt. So, they can decide to block or not answer your call. This reaction can be particularly problematic when you're trying to reach someone important or in urgent situations.

Trust Issues

People often associate anonymous calls with suspicious activities. When you hide your identity in phone calls, it raises doubts and concerns. As such, the recipients are less likely to engage closely even if they pick up your call. It can affect the outcome of your communication efforts.

Inconvenience for Recipients

Most often, the recipient feels uncomfortable when you hide your phone number. When they don’t know who’s calling, they might be less prepared for the conversation. It can significantly hinder open and transparent communication.

How to Make a Private Call with Your Phone Number on Any Devices by default?

Although making a private call has some limitations, its exceptional benefits make it clear that call hiding can be a valuable tool for individual and business use. So, how to hide your phone number when making a call? Well, the process is straightforward for any device - Android, iOS, Landline, or VoIP.

How to Hide Your Phone Number on iPhone (iOS)?

With just a few simple setting adjustments, you can hide your phone number on your iPhone effortlessly. Follow these steps:

Step 1: Open the 'Settings' app on your iPhone.

Step 2: Scroll down and tap on 'Phone'.

Step 3: Select 'Show My Caller ID'.

Step 4: Toggle the switch next to 'Show My Caller ID' to the off position.

How to Hide Number When Calling on Android?

Android users also have the option to make their phone numbers private for all calls. Follow these steps to hide your number on an Android device:

Step 1: Open the “Phone” app on your Android device.

Step 2: Tap on the three dots (menu) at the top right corner and go to “Settings.”

Step 3: Scroll down to “Call settings” and select “Additional settings”.

Step 4: Tap on “Caller ID”.

Step 5: Select “Hide number” to make your number private for all outgoing calls.

How to Hide Phone Number Via Landline?

Hiding your phone number on a landline might seem outdated, but it's still relevant for many. Here are the simple steps to make a private call from a landline:

Step 1: Lift the receiver and listen for the dial tone.

Step 2: Before dialing the number, enter *67 (Note: the code might vary based on your location).

Step 3: Dial the number you wish to call.

How to Block Your Outbound Caller ID on VoIP Phone?

Blocking outbound caller ID on a VoIP phone can differ slightly from traditional phones. The process typically involves the following steps:

Step 1: Log in to your VoIP service account.

Step 2: Navigate to the settings.

Step 3: Look for the Caller ID settings.

Step 4: Select the option to hide your Caller ID for outbound calls.

How to Hide Your Phone Number Using *67?

The *67 code is a traditional method for hiding your phone number and is still widely used today. Its key purpose is to temporarily make your phone number appear as 'Private' or 'Unknown' to the person you are calling. It is especially useful when you need to hide your phone number for once without changing your phone’s default settings. It works on any device, whether you're using a mobile phone, a landline, or even some VoIP services. Here are the simple steps to hide your phone number using *67:

Step 1: Pick up your phone and start with a dial tone (for landlines) or open the dialer app (for mobile phones).

Step 2: Enter *67.

Step 3: Immediately after *67, dial the full phone number of the person or business you are calling.

How to Get Your Carrier to Block Your Number?

Sometimes, you might want a more permanent solution to keep your phone number private. When you block your number from your carrier, it always appears as 'Private' or 'Unknown' unless you decide otherwise. It is the most ideal solution for those who most often hide their number and prefer not to enter a code each time they make a call.

To get your carrier to block your number, follow these steps:

Step 1: Contact your phone carrier’s customer service.

Step 2: Request to block your caller ID.

Step 3: After the carrier has set up the block, test it. Call any number and check how it appears there.

How to Call Without Caller ID Using Third-Party Apps?

If you find changing the phone settings challenging and cannot contact the carrier to block the number when calling, you can consider third-party apps. It’s a more flexible and feature-rich approach to managing your call privacy than just simply hiding phone numbers. Here are some popular third-party apps that allow you to make a call without caller ID:

Block Your Caller ID Using Burner App

To hide your phone number, the Burner app provides you with a secondary number for texts and calls. It means you can make a call without showcasing your actual phone number. Here’s how you block your caller ID using the Burner App:

Step 1: Download and install the Burner app on your device.

Step 2:Create a new, temporary phone number following the app's instructions.

Step 3: Use the burner number to make calls or send texts. The recipient will see this number instead of your real number.

Block Your Caller ID Using Verizon App

The service users from Verizon carriers can use their app to block caller ID. The Verizon app provides a straightforward way to manage your caller ID settings. Here’s how to use it:

Step 1: Open the Verizon app on your device.

Step 2: Navigate to Caller ID Settings.

Step 3: Activate the option to block your caller ID for outgoing calls.

Block Your Caller ID Using Hushed App

Similar to the Burner app, Hushed also offers temporary phone numbers for making calls and sending texts anonymously. Follow these steps to use Hushed:

Step 1: Download and install the Hushed app on your device.

Step 2: Select a temporary number from the app.

Step 3: Use your selected number to make anonymous calls.

Block Your Caller ID Using Google Voice

Google Voice also lets you use a different phone number from your actual one to make phone calls. As such, you can always keep your real number private. Here's how to block your caller ID using Google Voice.

Step 1: Download the Google Voice app on your device. Create an account.

Step 2: Sign into your account. Pick your phone number and finish set up following the on-screen prompt.

Step 3: Use the Google Voice app for making calls.

How to Hide Your Phone Number Using Blocking Code?

A blocking code is a special number you dial before entering the phone number you wish to call. Dialing the blocking code instructs your telephone network not to display your phone number on the recipient's device.

List of Country-Specific Codes for Private Calling

Blocking code is a universally applicable method. However, note that the exact prefix code differs from country to country. The following list will help you identify the right code based on your location.


                        Blocking Code                 

                   United States


                 United Kingdom














Steps to Use Blocking Code Before Making a Call

Once you know the right blocking code, it is quite easy to use it to hide your phone number when making phone calls. Here’s how you do it:

Step 1: Identify or note the blocking code of your country.

Step 2: Dial the blocking code.

Step 3: Enter the phone number you wish to call.

Step 3: Proceed with the call as usual. Your phone number will appear as 'Private' or 'Unknown' to the recipient of this call.

Hide Your Caller ID With Cloud Phone Solutions

Unlike traditional methods or third-party apps, cloud phone systems offer much more than just masking your phone numbers. Firstly, they offer unmatched flexibility and scalability as they adapt seamlessly to changing business needs. Secondly, beyond just hiding your caller ID, they come equipped with business communication features. They are especially helpful for those who require seamless switching between private and public caller IDs, depending on the nature of the call.


Hiding your phone number is all about keeping your calls private and under your control. There are many ways to do this, each with distinct perks and difficulties. How to hide your phone number depends on what you want to achieve with the call.

Switching to VoIP technology can be a great option for those looking for more than just a one-time fix. In addition to hiding your caller ID option; it offers many other useful features, too. The quantity and quality of the features may differ from one service provider to another, though. Consider Calilio for the best quality VoIP service. We offer straightforward and effective solutions to manage your calling privacy for personal and business use. Contact Us today.

Frequently Asked Questions

How can I verify that my number is hidden?

You can verify if your number is hidden by making a test call. Call the phone number you have access to. If your number appears as 'Unknown' or 'Private' on their caller ID, it means your number is hidden.

What is a Blocking Code?

A blocking code is a special prefix you dial before the actual phone number to hide your phone number. It instructs the telephone network to conceal your caller ID from the recipient for that specific call.

Does 67 work on cell phones?

*67 works on cell phones. Dialing *67 before entering your desired phone number allows you to hide your caller ID for that particular call.

Does 67 still work in 2023?

As of 2023, *67 still remains a valid option for hiding your caller ID on most phone services. It is applicable for both landlines and cell phones.

What is 67 vs 69?

*67 is used to hide your caller ID for an outgoing call. On the other hand, you would use *69 to return the last call you received, often without knowing the caller's number.

How do I put my number on private?

You can use a blocking code before each call or adjust your phone’s system setting to always hide your phone number.

How can I hide my number to call someone?

You can hide your number when calling someone by dialing *67 before the phone number. This method works for individual calls.

How do I hide my phone identity when calling?

Adjust your phone setting to hide your phone identity when calling. You can also request your carrier to block your number from showing when making phone calls.

How do I make no caller ID?

To make a call with 'No Caller ID', dial *67 before the phone number. This will block your number for the duration of that call.

Does 67 hide your number on your iPhone?

Using *67 before a phone number on your iPhone will hide your caller ID during your call. Your number will appear as ‘Unknown’ or ‘Private’ on the receiver’s device.

How to Make a Private Call Using Caller ID Temporarily or Permanently Number Blocking?

For temporary private calling, dial *67 before each number you call. For permanent number blocking, contact your phone carrier to set up a permanent caller ID block on your number.