How to Add a Phone Number on Apple Messages

One of the conveniences of Apple's Messages app (or 'iMessage,' as it used to be known) is that you can receive messages across multiple devices. In order to do this, though, you need to add the phone number to the Messages app on each...
Method 1 of 2:

iOS

  1. How to Add a Phone Number on Apple Messages Picture 1How to Add a Phone Number on Apple Messages Picture 1
    Open the Settings app. It's a gray icon containing gears.
  2. How to Add a Phone Number on Apple Messages Picture 2How to Add a Phone Number on Apple Messages Picture 2
    Tap Messages.
  3. How to Add a Phone Number on Apple Messages Picture 3How to Add a Phone Number on Apple Messages Picture 3
    Tap Send & Receive. Enter your Apple ID and password if you're not automatically logged in.
  4. How to Add a Phone Number on Apple Messages Picture 4How to Add a Phone Number on Apple Messages Picture 4
    Tap Add Another Email.
  5. How to Add a Phone Number on Apple Messages Picture 5How to Add a Phone Number on Apple Messages Picture 5
    Enter your phone number. You've now added your phone number to Messages.
    1. On iPhone, your phone number will appear automatically once you've signed in with your Apple ID.
Method 2 of 2:

Mac OS

  1. How to Add a Phone Number on Apple Messages Picture 6How to Add a Phone Number on Apple Messages Picture 6
    Open the Messages application.
  2. How to Add a Phone Number on Apple Messages Picture 7How to Add a Phone Number on Apple Messages Picture 7
    Click on Messages. It's in the upper-left corner of the menu bar.
  3. How to Add a Phone Number on Apple Messages Picture 8How to Add a Phone Number on Apple Messages Picture 8
    Click on Preferences.
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    Click on Accounts. It's at the top of the dialog box.
  5. How to Add a Phone Number on Apple Messages Picture 10How to Add a Phone Number on Apple Messages Picture 10
    Click on your Apple ID. It appears in the menu on the left side of the dialog box. Enter your Apple ID and password if you're not automatically logged in.
  6. How to Add a Phone Number on Apple Messages Picture 11How to Add a Phone Number on Apple Messages Picture 11
    Click on Add Email. It appears to the right of "You can be reached for messages at."
  7. How to Add a Phone Number on Apple Messages Picture 12How to Add a Phone Number on Apple Messages Picture 12
    Enter your phone number. You've now added your phone number to Messages.
    1. Make sure the check box next to your phone number is activated in order to receive text messages on your Mac.
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