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Tariffs & bolt ons

Terms & conditions

Your O2 Numbers Terms & Conditions

  1. Your O2 Numbers gives you 1,000 units (where one unit = 1 text or 1 minute), to call or text up to 10 nominated O2 numbers (Pay&Go and Pay Monthly) every month for a £5 charge each month.
  2. To find out how to opt in to Your O2 Numbers visit, text "TEN" to 21300 and follow the instructions or call 2425 free from your O2 mobile.
  3. A one month minimum charge applies once you opt in to Your O2 Numbers. To opt out text "TEN OFF" to 21300 or call free on 2425 from your O2 mobile at least 48 hours before O2 deduct your next Your O2 Numbers monthly charge.
  4. You can change Your O2 Numbers once every 30 days. You can do this by by visiting; by texting SETUP to 21300 or by calling 2425 free from your mobile. By texting SETUP to 21300 your most called and texted O2 numbers will be automatically completed for you by O2, based on your last 3 months calling data.
  5. If you don't select your full entitlement for 10 Your O2 Numbers, you will still be charged the full rate, but you can add to the empty fields online or on 2425 at any time.
  6. Calls and text messages to Your O2 Numbers must be made from within the UK in order to qualify for the Your O2 Numbers allowance, i.e. calls made whilst you are roaming will not qualify for the Your O2 Numbers allowance.
  7. The 10 numbers selected for Your O2 Numbers must be Telefónica UK Limited (Telefónica UK Limited and O2 Online) mobile numbers. They can be either O2 Pay&Go or O2 Pay Monthly numbers.
  8. If you are an O2 Pay As You Go customer who has been active with O2 for over 30 days, O2 will be able to identify your most used O2 Numbers for you so that they can be automatically entered as your 10 Your O2 Numbers. This can be done by texting SETUP to 21300 or going online at and selecting the AUTO SET UP option. If you are a new customer, (less than 30 days), unfortunately O2 won't be able to chose your numbers for you. You can select your own Your O2 Numbers by going online and entering your selected 10 numbers into the setup process, or by calling 2425. You will need your numbers to hand if you call to setup. If you select O2 to choose your 10 numbers for you, you can go online or call 2425 free to make changes as set out in point 4.
  9. You will hear a "Free Call" message at the start of every call you make to a number on Your O2 Number list. If one of Your O2 Numbers is transferred to another network, or disconnected, you will no longer be able to call or text that number as part of your Your O2 Numbers allowance, but you will be able to replace this number with another O2 number in accordance with point 4.You will hear a pre-call message to tell you that a disqualified number is no longer on the O2 Network.
  10. You can opt in or opt out of Your O2 Numbers at any time, however, the minimum charge is £5 every 30 days and no refunds will be given.
  11. A maximum of one Your O2 Numbers Bolt On can be added to your mobile at any one time.
  12. Whether you are nominated as one of someone else's Your O2 Numbers Bolt On is at the other mobile owner's discretion and cannot be changed by you or O2. You are not charged for belonging to someone else's Your O2 Numbers and you can belong to multiple Your O2 Numbers at any one time. You can check how many Your O2 Numbers you are on by logging onto yourO2numbers. If you do not wish to receive notification each time you are added to someone else's Your O2 Numbers, then text NO THANKS to 21300. Opting out of Your O2 Numbers notifications will only prevent further Your O2 Numbers notification texts, and will not stop you from receiving other O2, or personal, texts.
  13. If you have any other free allowance with your tariff or subscribe to any other O2 Bolt Ons then Your O2 Numbers allowance will be used first. However, if you have Favourite place or O2 Trio then these allowances will be used before Your O2 Numbers allowance.
  14. Customers wanting to opt into Your O2 Numbers must do so before 31st January 2010. O2 reserves the right to change this date, and will notify customers via
  15. General Bolt On terms and conditions apply. See terms and conditions for details.