With reliability and value at its heart, it’s easy to see why O2 is an award-winning mobile network and the go-to choice for over 25 million customers. Strong network coverage, flexible tariffs and excellent customer service mean they’ve long been recognised for their great service and with decades of experience behind them, you know you’re in safe hands. As if that’s not enough, their customer perks are second to none with priority benefits such as early access tickets to gigs and events, access to Disney+, Amazon Prime Video, Audible and so much more.
O2 offers great deals on phones, tablets, mobile broadband, SIM only plans and more, so you’re sure to find exactly what you’re looking for. If you’re thinking about switching, you could get an even better deal when you use one of our latest O2 voucher codes.
O2 Active Deals, Sales & Codes in February, 2026
DEAL
Active
Up to 20% Cashback at Over 180 Brands with Airtime Sign-ups at O2 - Includes Boots, Greggs and Argos!
Verified
DEAL
Active
Up to 25% off Airtime Plans for NHS Staff and Teachers with O2 Open at O2
Verified
DEAL
Active
£20 Amazon Gift Card with SIM Only Contracts Up to £9.99 at O2 - Valid for New Customers Only
Verified