What is it?
Make calls to international mobiles and landlines from just 1p per minute with the International Bolt On, for just £3/month.
If you have a Spend Cap, the price of this Bolt On will not be included within your Spend Cap.
On Pay As You Go? Find out about our International Sim.
Where do I start?
- Call directly from your phone – no apps, calling cards or IVR’s
- No connection charges, hidden fees or vanishing minutes
- Call over 200 countries. Rates apply for calls made from the UK
What else do I get?
Call International mobiles and landlines from 1p a minute, for just £3/month
To get the International Bolt On, text INTBOLTON to 23336 or go to My O2.
Call charges are per minute. Per minute billing applies. Prices are subject to change. Terms Apply
Looking for previous calling rates?
Look up our historical rates for the last 3 months.