To start receiving iMessages on a Mac, you need to add your phone number to your iMessage account and enable the setting. Fortunately, adding a phone number to iMessage on your Mac computer is very straightforward, as the process takes a few steps.
This step-by-step guide will show you how to add your phone number to iMessage on Mac. Before we dive in, make sure your Apple devices involved during this process are running the latest firmware update.
How to Add A Phone Number to iMessage on a Mac
We will add a phone number to iMessage on our M1 MacBook Air using iPhone settings. Here is how to do it.
Step 1: Open Settings on your iPhone, then select Messages > Send & Receive.
Step 2: Tap “Use your Apple ID for iMessage” if you have signed in with your Apple ID.
Step 3: Locate the section titled “You can receive iMessages to and reply from” and ensure that your phone number is selected. If not, tap on it, and you should see a check beside it.

Step 4: You now can see a pop-up on the home screen (ensure you are signed into the same Apple ID on your iPhone and Mac). From here, you will be asked if you want to add your phone number o iMessage and FaceTime. Hit Yes.
Step 5: Launch Messages on your Mac and go to Messages > Preferences.
Step 6: From the Preferences menu, select the iMessage icon and make sure your phone number is selected under the “You can be reached for messages at” section.

How to Remove a Phone Number from iMessage
You can easily remove a phone number from iMessage on your iPhone and Mac.
Step 1: Open Settings on iPhone > Messages > Send & Receive.
Step 2: Tap your Apple ID and tap Sign Out.
Step 3: On a Mac, open Messages > Messages > Preferences > iMessage. Under the “You can be reached for messages at” option, uncheck your phone number.
Also read: How to Fix iMessage on iPhone & iPad