You can move an existing phone number into Google Voice, but the process depends on whether you own the number outright or are still under contract with a carrier

Google Voice lets you port a real phone number you already have — meaning transfer it from your current carrier into Google Voice's system. The number stays yours; only the service provider changes. The process takes a few days to a few weeks and costs $20 through Google Voice.

The catch: you can only port a number that is not locked to a contract. If you are in the middle of a plan with Verizon, AT&T, T-Mobile, or another carrier, you will need to end that contract first — which may mean paying an early termination fee. Once your number is free, the port itself is straightforward.

Key Takeaways

  • Porting a number to Google Voice costs $20 and takes three to five business days, though it can take longer if your carrier delays the transfer.
  • Your number must not be locked to an active contract; if it is, you will need to end your service with your current carrier before porting.
  • You need your account number and PIN or password from your current carrier to authorize the port.
  • Google Voice will send you a verification code by text or call to the number being ported, so keep that phone active until the transfer completes.
  • After the port finishes, your old carrier's service on that number stops, and Google Voice takes over.

Check whether your number can be ported

Not every number can move to Google Voice. Numbers that are part of an active contract, tied to a business account, or issued by some smaller carriers may not port. The easiest way to know is to start the port process itself — Google Voice will tell you when ready if your number is portable.

If your number is locked to a contract, contact your current carrier and ask how to end service. Some carriers let you cancel without penalty if you are outside the contract term; others charge an early termination fee. Once your service is cancelled and the number is released, you can port it to Google Voice.

Gather your carrier information before you start

Before you open Google Voice, have your current carrier's account details ready. You will need your account number (sometimes called the billing account number) and either your PIN or the password you use to log into your carrier's website or app.

You can find your account number on your bill, in your carrier's app, or by calling customer service. If you do not have a PIN set up, call your carrier and ask them to create one, or use your online password instead. Write these down so you do not have to hunt for them mid-port.

Start the port through Google Voice

Open Google Voice on the web or in the app and go to Settings. Look for the option to change your phone number or port a number — the exact wording varies, but it will be in the phone number section. Google Voice will ask whether you want to get a new number or port an existing one; choose port.

Enter the phone number you want to port, your carrier name, and your account number. Google Voice will check whether the number is portable. If it is, you will be asked to confirm your identity and pay the $20 port fee. Google Voice accepts credit cards, debit cards, and Google Play balance.

Authorize the port with your carrier

After you pay, Google Voice sends a request to your current carrier asking permission to transfer the number. Your carrier will contact you — usually by email, sometimes by phone — asking you to confirm the port. This is a security step to make sure you actually want to move the number.

You may be asked to provide your PIN or password to authorize the transfer. Some carriers send a link you click to approve; others require you to call a number and speak to someone. Follow the carrier's instructions exactly. If you do not respond within a few days, the port request may expire and you will have to start over.

Keep your old phone active during the transfer

Once your carrier approves the port, Google Voice will send a verification code to the phone number being ported — either by text or by calling it. You need to receive this code and enter it into Google Voice to confirm you own the number. This is why you must keep the old phone active and turned on during the port process.

The verification usually happens within a few hours of carrier approval, but it can take up to a day. Do not cancel service on the old phone or switch to a different number until you have received and entered the verification code.

Wait for the port to complete

After you enter the verification code, Google Voice processes the port. This typically takes three to five business days, though it can stretch to two weeks if your carrier is slow to release the number. During this time, calls and texts to your number may be unreliable — some may still go to your old carrier, others to Google Voice.

Google Voice will send you an email when the port is complete. At that point, your old carrier's service on that number stops entirely, and all calls and texts go through Google Voice. Your old phone will no longer work on that number, but you can use Google Voice on any device with internet access.

What happens to your old carrier account

Once the port completes, your number no longer belongs to your old carrier. If you had a contract with them, it ends. You will not receive bills for that number anymore, though you may still owe any early termination fees or outstanding charges on your account.

Check your final bill from the old carrier to make sure there are no surprise charges. If you had other numbers or services with that carrier, they are not affected by the port — only the number you moved to Google Voice changes hands.

Frequently Asked Questions

Can I port a number if I am still under contract?

Not directly. You must end your contract with your carrier first, which may include paying an early termination fee. Once your service is cancelled and the number is released, you can port it to Google Voice.

What if my carrier denies the port?

Carriers rarely deny ports, but if yours does, ask why. Common reasons are an unpaid balance on the account, a recent port from another carrier, or a number that is not actually yours. Resolve the issue with your carrier, then try the port again.

Can I use my number on my old phone after porting to Google Voice?

No. Once the port completes, your old phone will not work on that number because the carrier no longer owns it. You use the number through Google Voice on any device with internet — a smartphone, tablet, or computer.

How long does the whole process take?

From start to finish, plan for one to three weeks. Ending your old contract can take a few days, the port itself takes three to five business days, and verification can add another day or two. Some carriers move faster; others slower.

What if I need to cancel the port partway through?

You can cancel before your carrier approves the request. After approval, cancellation is harder and may require calling Google Voice support. The $20 fee is usually not refunded if you cancel after paying.