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
  • 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
    • Insurance

    Connected

    • Coverage checker
    • Network coverage
    • 5G coverage
    • O2 WiFi
    • Using your phone abroad
    • Live bigger with Volt

      Discover extra benefits
    • O2 bubbles

      See all the reasons to choose O2

      Why join O2?
  • Help

    Help and support

    • Account
    • Products and services
    • Device guides
    • Network and international
    • Safety and security

    Most popular

    • Activating your SIM
    • eSIM
    • How to track your order
    • Payment support
    • Understanding your bill

    Useful links

    • Store locator
    • Network status
    • Faulty device
    • Virgin Media O2
    • Fraud help

    Contact us

    • O2 Community
    • My O2 App
    • Contact us
  • My O2
  • Search
  • Basket

International calling

Options for calling abroad from the UK

Calling or texting any country (even within our Europe Zone) from the UK is classed as an international call or text. If you do not have one of our International products then standard international rates apply.

Calling abroad for Pay Monthly

If you’re on a Pay Monthly plan, you can save money on calling and texting abroad with our International Bolt On.

For £3 a month, our International Bolt On, you’ll get discounted rates for calls and texts to international mobiles and landlines, from 1p a minute and 6p a text.

To get the International Bolt On for Pay Monthly, go to My O2 and browse the available Bolt Ons. Or text INTBOLTON to 23336, or call 2202, both free from your O2 phone.

Calling abroad on Pay As You Go

If you’re on one of the following Pay As You Go tariffs, you will already be benefitting from discounted international calls and texts. Sign into My O2 to check your tariff.

  • O2 Unlimited

  • Simply Pay As You Go

  • International SIM

  • £10, £15 or £20 UK & International Bundle

  • £20, £25 or £30 Big Bundle

  • International Big Bundle

  • Premium International Big Bundle


If you’re not on one of the above tariffs, you can add the International Monthly Bolt On. For £2 a month, get discounted UK calls and texts to international mobiles and landlines, from 1p a minute and 30p a text. Check out the discounted rates.

To get the International Monthly Bolt On for Pay As You Go, go to My O2 and browse the available Bolt Ons. Or text MONTHLYINT to 21300, or call 2202, both free from your O2 phone.

International Bolt On for Pay Monthly

Get low-cost calls and texts to other countries with our International Bolt On

Find out more

International Bolt On for Pay As You Go

Save money on international calls and texts with our International Monthly Bolt On

Find out more
  • 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 A16
  • Samsung Galaxy S25 Ultra
  • Samsung Galaxy S25
  • 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

©2025 Telefonica UK Limited

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

  • Home
  • International
  • International Calling