O2 Discount Codes

Step 1: Choose an O2 discount code

Select your O2 discount code from the codes listed above and copy it.

Step 2: Start shopping

Select your plan and mobile you want to purchase and add them to the cart.

Step 3: Checkout

Paste your O2 promo code code at checkout in a box written ‘Promo code’ and click on ‘Update’ to apply it. Check the image below in case you encounter any difficulties.

O2 is the UK's largest and most dependable mobile network, offering the fastest broadband speed. You can take advantage of O2’s various discount codes and save while choosing a flexible plan. O2 ensures that you can shop on budget and find suitable options that suit your wallet while saving in the process.

O2 Black Friday

O2 has amazing Black Friday deals which you can grab. You can find the perfect deal and enjoy a bargain across selected devices, tariffs, SIMs and accessories at O2. Create a flexible plan and enjoy massive savings, as you can tailor your plan and enjoy offers from O2.

O2 Priority

O2 Priority is a loyalty program exclusive to O2 customers offering a range of benefits and perks. You enjoy exclusive discounts and offers at restaurants, entertainment venues and shops. You also get fast track access, and early ticket access at selected events and venues.

O2 student discount

Are you a student who fancies a new phone, then just register and confirm your student status. You will get 20% off your airtime plan when you buy a connected phone. You also get 20% off accessories including other discounts and deals you wouldn’t want to miss.