How to set up a SIM card transfer PIN on each carrier

SIM swapping is a growing concern, and all carriers are taking these fraud attacks seriously by implementing new security measures. SIM Transfer PINs require users to obtain a 6-digit PIN from the carrier’s website before transferring a number from one SIM to another. Here’s how to set up a Transfer PIN on your number, and what to do if your provider (currently) doesn’t offer one.

What is SIM swapping?

SIM swap – Also called SIM hijacking – It is a growing form of cyber fraud where malicious parties obtain your mobile phone number. They do this by persuading your carrier to transfer your number to a new SIM card they have. From there, it makes it easy for the malicious party to gain access to your email, bank account, and other important accounts.


Most people associate their accounts with their phone numbers now, and if the scammer also knows your email and passwords, your entire digital life will be opened to them. A good example of that Two-factor documentation. Most of the sites use your mobile number to verify that you are logged into the account, but that doesn’t help much when the malicious party has your number.

As intimidating as it sounds, there are some security measures you can take to reduce the chance of this happening to you.


Verizon has two security features to prevent SIM swapping. One is the number porting pin and the other is the number lock. You’ll need to have a PIN to port the number every time you want to port a number out of the network, and a number lock prevents the number from being moved at all. Here’s how to do it in the mobile app and on the desktop.

To enable Number Lock, follow these steps on your mobile device or desktop browser.

Verizon app

  1. Open the My Verizon app and tap Settings icon.
  2. Choose lock number.
  3. Toggle the option for each number you want.


  1. Log in and go to lock number page.
  2. Switch the numbers you want to lock.
  3. handle Saving changes.

With Number Lock turned on, your phone number won’t go anywhere. You will have to go back to these settings and turn off Number Lock if you plan to port your number at any time.

Verizon requires that PINs be used to port the number to complete the port. To get a Number Transfer PIN – when you decide to transfer – just follow these steps:

  1. On your mobile device, head over to the mobile app and dial #PORT.
  2. You will be redirected to the mobile application or to Password to transfer the number Page on the Verizon website.
  3. Provide this number to your new carrier within 7 days for your number to be transferred successfully.
    1. This PIN works with any number in your account, so you don’t need to have one for each number.


AT&T also gives you several ways to get a PIN for porting numbers. Here’s how to get it.

with your phone number

  1. Dial *PORT and follow the instructions.
  2. A PIN will be sent to you via text message.
  3. Provide this PIN to the new carrier to transfer your number.

In the myATT app

  1. Log in to the app and select People and Permissions.
  2. handle wireless and scroll down to Transfer phone number.
  3. handle Request a new PIN.
  4. The PIN code will appear on the screen. Write it down and submit it to your new carrier.

on the desktop

  1. Log in to your myAT&T account.
  2. Choose People and Permissionsthen scroll down to wireless.
  3. Choose Transfer phone number and press Request a new PIN.
  4. The PIN code will appear on the screen. Write it down and submit it to the new carrier.


T-Mobile lags behind other carriers in implementing PINs for SIM card transfers, but it is Finally catch up.. However, at the time of writing, the feature is still not available. However, T-Mobile has account takeover protection features that should stop a SIM swap attack. Similar to Verizon’s number lock, Account Takeover Protection prevents numbers from being transferred, and only the account owner can turn the feature on or off. Accessing it isn’t quite as convenient as Verizon’s, but it’s still worth doing.

To set up Account Takeover Protection, follow these steps.

  1. Go to your……. My T-Mobile account.
  2. Click Manage Add-ons
  3. Scroll down to File Services divide and select Account takeover protection.
  4. Choose Complete At the bottom to save changes.

Keep in mind that you’ll have to be the primary account holder to make these changes, and you’ll have to contact T-Mobile in the future if you ever want to remove the feature.

Xfinity Mobile

You will need to use a desktop browser to get a PIN transfer for Xfinity Mobile. Just follow these steps:

  1. Log in to your Xfinity Mobile account and select Hardware.
  2. Find and select the device/number you want to transfer.
  3. Scroll down and select learn more Next to Transfer your number, cancel this line to choose.
  4. You will receive a text message containing the SIM transfer PIN. Submit this to your new carrier.

Once you have a single SIM transfer PIN, you can use it for all the numbers on your account.

google fi

google fi Makes it easy to get a PIN for SIM card transfer. Just follow these steps:

  1. Go to the Google Fi app or website.
  2. Under the Account tab, select plan management.
  3. Choose Leave Google Fi And follow the instructions.
  4. When it appears, select Transfer your number to another carrier.
  5. Google will generate a PIN. Submit this to your new carrier.

What if your carrier doesn’t have a SIM transfer PIN?

In the event that your carrier does not support SIM transfer PINs, you still have some security options available. Check to see if your carrier has something like a number lock feature that prevents it from being transferred at all. If not, almost every provider has some kind of security code attached to the account. Make sure to prepare one and make sure it’s not obvious (like your birthday). Finally, if you’re using Google Fi or your account is otherwise connected to your email, be sure to use two-factor authentication. Ideally, use a file Authentication app It does not depend on your phone number.


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