What is it?
Make calls to international mobiles and landlines from just 1p per minute with the International Bolt On, for just £3/month.
Select a country from the dropbox below to see costs
Order your sim
Already on O2?
Call 2202 for free or text INTSIM to 21300 to switch to 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.
Looking for previous calling rates?
Look up our historical rates for the last 3 months.