How to Change the iMessage Phone Number on iPhone

One of the best examples of Apple’s integration with almost all of its devices is iMessage (besides iCloud). Although iMessage is also known to go berserk often, it’s one of the most popular tools a lot of people use.

When you change your carrier, or when you change the number with the same carrier, you will have to re-register with iMessage in order to get it working with the new number. As a few people face issues in this process, we wanted to look into the right way of doing things. So here’s to all of you who’re looking to change your iMessage phone number.

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1. Turn off iMessage: The first thing you need to do is to turn OFF iMessage. To do this:

  • Go to Settings
  • Scroll down and tap on Messages
  • Switch OFF iMessage

The reason you’re turning OFF iMessage is so as to re-send an SMS activation for iMessage which tells Apple your new number.

2. Power down and wait: Usually, people jump to step #3 from here and it works. But for a good measure, power down your device and wait 5-10 mins before proceeding to the next step.

3. Edit your phone number detail: Once you’ve rebooted the iPhone after step #3, check if Phone number details on your iPhone reflect the new number. They usually do but just to be sure.

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Go to Settings → Phone and make sure “My Number”  reflects your new number. If not, edit this.

Also, make sure the time & date settings in your iPhone are set to automatic. (they can be found in Settings → General → Date & Time)

4. Turn On iMessage again: Now, just head over to the Messages settings and turn on iMessage.

  • This should usually send an SMS to Apple’s servers. (it happens in the background).
  • iMessage should be activated now for the new number. How to check this? Next step.

5. Check ‘Send & Receive As’

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In the “Send & Receive as” field, you should see your new number ticked and grayed out. If this field is empty or has your old number, it means the process did not go as expected and you’ll need to repeat it.

If it shows your new number, you’re set.

There are a bunch of issues surrounding iMessage and you can check out our troubleshooting guide here.  Once you’ve changed your iMessage number, you might want to reset things on other devices also (although it should work just fine and automatically since iMessage works over the cloud). Nevertheless, if you’re setting up iMessage on multiple devices, be sure to check this tutorial.

Dhvanesh Adhiya
Dhvanesh Adhiya is our editor-in-chief and reviewer who takes care of He is passionate for wonderful apps that change the way your iPhone interacts in your life.


  1. Hey
    If i change my phone number but still have the same email and Apple ID, will my friends still be able to imessage me without me giving them my new phone number?
    Thanks :)

  2. i changed my number and in my phone number in settings still shows my old number i turned off my phone and still shows my old phone number, can you pls help me??

  3. I cant change my Number. Its says here Unknown in the phone section. I wont let me change it to numbers. Help!

  4. This is the problem I am having and spent hours on the phone with Apple to no resolution. I have even tried returning to factorty settings. My phone number does show if I switch the SIM card to another iphone 6.


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