If you would like to change the phone number displayed in OneHome you can do that by following the steps below:

Go to the settings page by clicking "Hello NAME" or "Working as.." in the top right of Matrix.

Go to My Information

Select the Override checkbox to the right of Direct Work Phone

Enter the preferred number. Use the format XXX-XXX-XXXX. Do not use (XXX) XXX-XXXX.

Press the blue save button at the bottom.