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We provide this tutorial for those users who are currently using GV Google Voice with FreePBX/Asterisk that and want to move an existing Google Voice number to a fully supported SIP Trunking service for their existing GV Numbers.. Porting a Google Voice number to SIPStation is easy as long as you follow the instructions below to unlock your number.


Your Google Voice number is automatically locked to prevent it from being ported out without your consent. Before you can port your Google Voice number to another service provider, you must first unlock itthe number.

There is Google charges a one-time $3 fee to port your number away from Google Voice. For users who ported who ported their mobile numbers into Google Voice, the fee is waived.

To unlock your number simply:

  1. Go to and sign into your Google Voice account.
  2. If you only have one Google Voice number, click Unlock my number underneath your Google Voice number. If you have more than one number, select the number you wish to port away from the drop-down menu, and then click Unlock my number.
  3. Click Continue to confirm that you wish to unlock your number.
  4. Sign into Google Wallet to complete your port-out process.

Once you're done, your Google Voice number is ready to be ported out.

You can then initiate the port with your new service provider (you can use . Use your Google Voice number as your account number ).

If you initiate the port before unlocking your number, the port will be blocked and we will email you with the unlocking instructions

when filling out the paperwork.

If you've changed your mind about porting your number, you can re-lock your number by following these steps:

  1. Go to and sign into your Google Voice account.
  2. Click Relock my number underneath your Google Voice number.
  3. Click Continue to confirm that you wish to relock your number.

You can always unlock your number again after relocking re-locking it (you will not have to pay the $3 fee twice). However, the relock re-lock option will not be available if Google Voice has received a port out request from an external carrier (e.g. if you begin the port-out process with SIPStation, relocking re-locking your number will not cease stop the process).

Please let us know your number is coming from Google Voice.

When you create a port request ticket, please mention that your number is a Google Voice number. This will prevent us from asking you for a (non-existent) bill copy. Also, if we know ahead of time that the number is from Google Voice, we can process your order very quickly and obtain a port date that is only 1-3 days out instead of the usual 7-30 days.