How do I switch mobile carriers while keeping my current phone number?
Answer
This usually works by signing up with the new carrier first, choosing to keep the existing number, and then confirming the transfer once the new carrier sends a text asking for approval. The old line typically stays active until the transfer completes.
Before you start: stop right away if…
- Cancelling the old plan before the number transfer fully completes can cause the number to be lost.
- Never share the one-time port confirmation code with anyone other than through the official signup process, since it can be used to hijack a number.
Follow these steps
Confirm current account details
Sign in to the current carrier's account and note the exact account number, phone number, and any PIN or security code needed to authorize a transfer.
You should see: You have the exact details needed to complete a number port with the new carrier.
Check phone compatibility
Confirm the phone is unlocked or otherwise compatible with the new carrier's network, checking the new carrier's official compatibility page if unsure.
You should see: You know the phone will work on the new network before switching.
Sign up with the new carrier
Create an account with the new carrier and choose a plan, selecting the option to keep your existing number rather than get a new one.
You should see: The new carrier's signup process asks for the old account's number and account details to start the transfer.
Enter the account details for the transfer
Provide the old carrier's account number and PIN exactly as confirmed earlier.
You should see: The new carrier confirms it has submitted a port request.
Approve the confirmation text
Watch for a text message, usually still arriving on the old number, asking you to reply YES or similar to approve the transfer.
You should see: The transfer proceeds once approved, and the number moves to the new carrier's SIM or eSIM.
Confirm service on the new carrier
Once the transfer completes, check that calls, texts, and data work on the new carrier before assuming the old service can be cancelled.
You should see: The number now works fully on the new carrier's network, and the old line automatically closes.
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Extra tips
What to look for: Any confirmation text from the new carrier asking to reply YES or approve the transfer, and any error about mismatched account details.
Before you change anything: Confirm the account number and PIN or password on file with the current carrier, since porting usually requires matching this exactly. Check whether the current plan has an early cancellation fee before switching. Confirm you are signing up through the new carrier's official website or app. Never share a one-time port confirmation code with anyone other than completing it yourself.