Log into your Google Voice account, click on the menu, and click on Legacy Google Voice. Click on the gear icon and then click on Settings. Click on the Phones tab. Next, to your Google Voice number, click on Change/Port. Select I want to use my mobile number.How do you open Google Voice?
Open Google Voice. Go to https://voice.google.com/ in your web browser. This will open the Google Voice page that's associated with your email address if you're logged in. If you aren't logged into a Google Account, enter your email address and password before proceeding.