Keeping your number with Volt
Help and support
How to keep your number with Volt – Help and Support | O2
Like your number? You can keep it.
How do I keep my number when I move to O2?
If you're transferring from another network to O2 as part of Volt, and want to keep your mobile number, you’ll need a Porting Authorisation Code (PAC). Find out how to get yours.