Until now, if you changed your Google Voice number, ported your number to Google Voice, or opted in for the Sprint Option 1 integration (where your Sprint number becomes your Google Voice number), your previous Google Voice number remained on your account for 90 days before it was returned to Google.
Since many Google Voice users grow attached and become closely associated with their Google Voice numbers, we’re making it possible for users in any of the scenarios above to permanently keep the previous Google Voice number on their account.
