O2 Promo Codes & Cashback 2019

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O2 Online Top Ups

If you're considering your next mobile purchase or thinking about switching supplier, there are lots of options available at O2 online. You can choose from a variety of discounted phone deals or opt for an O2 SIM only deal. It's easy to top up your credit by phone or using O2 online top upservice, so even if you're on a PAYG basis you won't run out of phone credit any time soon!

O2 Phone Plans

O2 phone plans are easy to tailor to your needs, meaning you get the best phone deals which are customised to your exact requirements. It's easy to upgrade when you choose  a customised phone plan from O2, and you can also spread your balance over 36 months, if preferred. Don't forget to shop around for the best O2 promo codes before signing up for your new price plan. 

Contact the O2 Customer Service Team 

Managing your O2 phone service, and using O2 discount codes, is quick and simple from your personal online account, but there are sure to be times you need to get in touch with the O2 customer service team. You may need to find out more about O2 WiFi calling, or perhaps you need to call O2 to cancel your contract. No matter the reason, you can get in touch with customer services using O2 phone number 202 from your mobile device. All other phone numbers are listed on the O2 website, alternatively you can chat with an O2 expert online using the LiveChat facility.