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O2 Pay As You Go

Why choose PAYG with O2 network?

Keep things simple with a Pay As You Go SIM deal from O2. You can keep your number, even if you’re transferring from another network, and you get lots of perks with O2 Priorities. Also, if you order your free SIM card before 09:00, you’ll receive it the very next working day.

View FAQs

Best o2 Pay as you go SIM only deals

O2 Wifi

With over 15,000 wifi hotspots across the country, getting online for free is never far away.

Download the o2 wifi app to locate your nearest hotspot.


Everyone loves a treat - from everyday deals to gig tickets and film experiences. To take advantage of O2’s exclusive offers, available to all its customers, simply download the Priority app – available on Android and iOS


Get up to 10% back on your top ups to spend on whatever you like - text REWARD to 50202 to find out more information. 

O2 Pay As You Go FAQs
What are the benefits of O2 PAYG deal?
How often do I need to top up O2 PAYG SIM to stay active?
How can I activate a PAYG O2 SIM card?

*Top-up £10, receive an additional £10 free credit - £2 a month over 5 months, totalling £10 free credit.

Top-up £15, receive an additional £25 free credit - £5 a month over 5 months, totalling £25 free credit.

Top-up a Classic or International Sim and the free credit will be used first before the customer’s credit.

Each monthly promotional free credit lasts for 30 days.

The customer must top-up each consecutive month to receive the free monthly credit.

New customers will automatically get the free credit at initial point of top up, existing customers who are eligible for this promotion can opt in by texting EXTRA to 2424.” 


Calls may be recorded and/or monitored. Lines open Monday - Friday 8am - 10pm, Saturday - Sunday 8am - 8pm, Bank holidays 10am - 5pm