Personal | Business
Sign in or Register
O2 Logo White
  • Shop

    Phones

    • Phones
    • Upgrades
    • Apple iPhone
    • iPhone 16
    • Android Phones
    • Refurbished phones

    Tablets, laptops and dongles

    • Tablets
    • Apple iPad
    • Android tablets
    • Laptops
    • Dongles and mobile wifi

    Sims and Tariffs

    • Pay Monthly SIMs
    • Pay As You Go SIMs
    • Tariffs
    • International
    • Top-up
    • Essential Plan

    Accessories and more

    • Tech and accessories
    • Apple Watch
    • Smartwatches
    • AirPods
    • Coming soon
    • Great deals
    • Black Friday deals
  • Why O2

    Flexibility

    • O2 Switch up
    • O2 custom plans
    • Multisave
    • O2 Recycle
    • Click and collect

    Perks

    • O2 Extras
    • Volt
    • Priority tickets and offers
    • Perks at O2 venues
    • Pay As You Go Rewards

    Services

    • Manage your account
    • Keeping kids safe online
    • Ideas and Inspiration

    Connected

    • Coverage checker
    • Network coverage
    • 5G coverage
    • O2 WiFi
    • Using your phone abroad

    • Are you ready for 5G?

      Check coverage

    • See all the reasons to choose O2

      Why join O2?
  • Help

    Top queries

    • Track my order
    • Sim card
    • Top-up
    • Personal hotspot
    • Collection and delivery

    Device help

    • How to use your device
    • Faulty device
    • Device health check
    • Lost or stolen
    • Check O2 community

    Managing your account

    • My O2
    • Your bill
    • Payments
    • Premium charges
    • Your Data Hub

    Other ways to get help

    • Help and support
    • Store locator
    • Network status
    • Contact us
  • My O2
  • Search
  • Basket

Keeping your number with Volt

Help and support

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.

Was this information helpful?

Can't find what you're looking for?

More about Volt

Faster Virgin Media broadband. Double O2 mobile data. All on us.

Discover more

My O2

Track your usage, check your bills, upgrade and more.

Go to My O2

O2 Community

Head to our forum to ask questions and chat with other O2 customers.

Join in

Still need help?

Find the best way to get in touch.

Contact us
  • Find a store
  • Check our network
  • Sign in to My O2
  • Track my order
  • Search

Popular in shop

  • iPhone 16 Pro Max
  • iPhone 16 Pro
  • iPhone 16
  • Apple Watch Series 10
  • Apple iPad Pro 13 inch M4
  • Samsung Galaxy S24 Ultra
  • Samsung Galaxy S24
  • Samsung Galaxy Z Flip6
  • Google Pixel 9 Pro XL
  • Google Pixel 9 Pro
  • SIM Only Deals
  • Virgin Media broadband deals

Help and Support

  • Help home
  • Contact us
  • My O2
  • Collection and delivery

Shop

  • Phones
  • Tablets
  • Pay Monthly Sim
  • Collection and delivery
  • Virgin Media O2 Joint Venture
  • Facebook
  • Youtube
  • X
  • Instagram
  • About O2
  • Better Connections Plan
  • Careers
  • News & PR
  • Sponsorship
  • Virgin Media and O2
  • Accessibility
  • Terms & Conditions
  • Privacy policy
  • Cookie policy
  • Modern Slavery Statement

©2024 Telefonica UK Limited

In relation to consumer credit, Telefónica UK Limited is authorised and regulated by the Financial Conduct Authority (Reference Number 718822)

  • Home
  • Help
  • Volt Virgin Media O2

    • Keeping your number with Volt

Related links

  • Account and billing
  • Device and SIM support
  • Pay Monthly
  • Digital services
  • Safety and security
  • Migration FAQs
  • Network coverage and international
  • Pay As You Go
  • Volt Virgin Media O2
  • Apps
  • Online safety
  • Phones sims and devices
  • Help