Compare O2 contract mobile phone deals from all leading UK retailers. Click on a phone to compare the best deals, listed in price order. You may refine your search further using the form to the right.
Showing 295 handsets with deals. Last updated 22/05/2012 15:52:37
Initially launched in 1985 as Cellnet - a joint project between British Telecommunications and Securicor, the company was subsequently bought out entirely by BT and then finally separated from BT and rebranded O2 in 2002. O2 are a major player in the UK market and invest heavily in advertising including sponsorship of music venues across the UK - including London's O2 arena (situated in what was the Millennium Dome). In addition to holding a strong position in the UK, they also offer mobile telecommunications services across Europe.
Here at Free Contract Mobiles we compare the best deals on O2 pay monthly, pay as you go, SIM only and mobile broadband tariffs to ensure you get the best possible deal.
Pay Monthly - Customer Service
| From your O2 mobile | 202 |
| From a landline | 0844 809 0202 |
Pay As You Go - Customer Service
| From your O2 mobile | 4445 |
| From a landline | 0844 809 0222 |
Mobile Broadband - Customer Service
| From your O2 mobile | 0800 230 0202 |
| From a landline | 0800 230 0202 |