Update 2:35PM

Porting your number to Google Voice costs $20 and is usually completed within 24 hours. You may incur additional charges, including early termination fees, from your wireless carrier. Contact your carrier to get more details about the charges applicable to you.After porting your number to Google Voice your mobile service plan will be cancelled, and there are a couple of steps that you’ll have to take to continue making and receiving calls on your mobile device. For more detailed instructions on how Number Porting works and to find tips for making the process as smooth as possible, visit the Google Voice Help Center Number Porting is currently available for existing Google Voice users and will become available to new users within the next few weeks, and at this time, Google Voice is available in the U.S. only.: Included more details about the porting process.