April 13, 2024
Learn how to block your cell phone number for calls and texts with this step-by-step guide. Discover the pros and cons of blocking, different strategies for different purposes, and tips for complete privacy.


Your cell phone number is one of your most personal pieces of information. It’s often tied to your name, address, and other personal details. Unfortunately, this also makes it a prime target for telemarketers, scammers, and even unwanted personal contacts. That’s why it’s important to know how to block your cell phone number. In this article, we’ll provide a step-by-step guide to blocking your cell phone number for calls and texts, explain why you might want to do so, and offer tips and tricks for complete privacy.

A Step-by-Step Guide to Blocking Your Cell Phone Number

Blocking your cell phone number is a relatively simple process, but it may vary depending on your service provider and phone model. Generally, there are two ways to block your cell phone number:

Method 1: Dial a Code Before Making a Call or Text

Most cell phone providers offer a code you can dial before making a call or sending a text to block your number. Here’s how:

1. Open your phone app or texting app.
2. Before typing in the phone number or text message, enter the code that’s appropriate for your cell phone provider. Here are some examples:

– T-Mobile: #31#
– AT&T: *67
– Verizon: *67
– Sprint: *2

3. Type in the phone number or message you want to send.
4. Press the call or send button.

Method 2: Block Your Number Permanently

If you want to block your number permanently, contact your cell phone provider. Depending on the provider, they may charge a fee for this service. Here’s how:

1. Call your cell phone provider.
2. Ask to have your number permanently blocked.
3. Provide any necessary information, such as your account number or personal details.
4. Wait for confirmation from your provider that your number has been blocked.

Why and How to Block Your Phone Number for Calls and Texts

There are several reasons why someone might want to block their phone number. Here are some common scenarios:

To Avoid Telemarketers and Spam Calls

Telemarketers and spam callers can be incredibly annoying and even invasive. They can disrupt your day with unwanted calls, texts, and voicemails. By blocking your phone number, you can make it much harder for these types of calls to reach you.

To Maintain Privacy

If you’re not comfortable sharing your phone number with certain people or organizations, blocking your number can help you maintain your privacy. This is especially important if you’re dealing with someone who may be aggressive, harassing, or threatening.

To Avoid Unwanted Contact

If you want to avoid contact with someone specific, such as an ex-partner or former friend, blocking your phone number can provide a sense of peace and security. It can also help prevent stalking or harassment.

To Test Your Own Privacy Settings

If you’re curious about how your own privacy settings are working, you can block your own phone number and see if it shows up as blocked on someone else’s phone.

The Pros and Cons of Blocking Your Cell Phone Number

Like any privacy measure, blocking your cell phone number has its advantages and disadvantages. Here’s a summary of both sides:

Advantages of Blocking Your Cell Phone Number

– Prevents unwanted calls, texts, and voicemails
– Provides a sense of privacy and security
– Can help avoid stalking or harassment
– Helps maintain personal boundaries

Disadvantages of Blocking Your Cell Phone Number

– May prevent certain contacts from reaching you
– Can make it harder for businesses or other organizations to contact you
– Some services, such as emergency services, may not be able to contact you if your number is blocked
– Blocking your number may not be 100% effective

Is It Possible to Block Your Cell Phone Number Completely?

While blocking your phone number can be effective, it’s not a foolproof system. There are certain limitations and potential loopholes. For example:

– Some phones may have settings that allow users to bypass blocked numbers.
– Certain phone systems or providers may not support number blocking.
– Some telemarketers and scammers may use techniques to bypass blocked numbers.

However, these scenarios are relatively rare. For most people, blocking your phone number is an effective way to screen unwanted calls and texts.

Blocking Your Cell Phone Number: Tips and Tricks for Complete Privacy

If you want to maximize your privacy and security when blocking your phone number, here are some additional tips:

– Use a prepaid phone or separate phone number for certain situations, such as online dating or job applications.
– Don’t share your phone number on social media or other public platforms.
– Use a virtual private network (VPN) to mask your IP address and location.
– Be cautious when answering calls or texts from unknown numbers, even if you’ve blocked your own number.

By combining these strategies with blocking your phone number, you can protect your privacy and reduce the chances of unwanted contacts.


Blocking your cell phone number is a useful tool for maintaining your privacy and avoiding unwanted calls and texts. With our step-by-step guide, you can easily block your number for different situations and purposes. We’ve also explored the pros and cons of blocking, as well as tips and tricks for additional privacy measures. By using these strategies, you can take control over your phone number and enjoy greater peace of mind.

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