O2

O2 SIM Only

With over 23 million customers and 450 High Street stores O2 is one of the biggest mobile network operators in the UK. O2's pay monthly customers get free access to a host of O2 Perks including O2 Priority for exclusive discounts and freebies and the chance to buy tickets for major events up to 48 hours before general release. You can also jump the queues at selected O2 venues and treat your friends to the VIP experience with access to exclusive O2 bars.

O2 Pay Monthly SIMs

150GB 12 month O2 SIM Only
150GB 12 month O2 SIM Only £24.99
12 month O2 SIMO | 150GB data | Unlimited texts and calls
250GB 24 month O2 SIM Only
250GB 24 month O2 SIM Only £25.00
24 month O2 SIMO | 250GB data | Unlimited texts and calls
25GB 24 month O2 SIM Only
25GB 24 month O2 SIM Only £18.00
24 month O2 SIMO | 25GB data | Unlimited texts and calls
125GB 24 month O2 SIM Only
125GB 24 month O2 SIM Only £21.00
24 month O2 SIMO | 125GB data | Unlimited texts and calls
150GB 24 month O2 SIM Only
150GB 24 month O2 SIM Only £17.99
24 month O2 SIMO | 150GB data | Unlimited texts and calls

Pay As You Go SIMs

O2 PAYGO with 20GB data bundle
O2 PAYGO with 20GB data bundle £10.00
O2 PAYGO SIM with 20GB bundle | 20GB data | Unlimited texts and calls
O2 PAYGO with 50GB data bundle
O2 PAYGO with 50GB data bundle £15.00
O2 PAYGO SIM with 50GB bundle | 50GB data | Unlimited texts and calls
O2 PAYGO with 200GB data bundle
O2 PAYGO with 200GB data bundle £30.00
O2 PAYGO SIM with 200GB bundle | 200GB data | Unlimited texts and calls
O2 PAYGO with 120GB data bundle
O2 PAYGO with 120GB data bundle £20.00
O2 PAYGO SIM with 120GB bundle | 120GB data | Unlimited texts and calls
O2
Top Pages

  • Great coverage

    O2 has an excellent 4G network covering most of the UK population as well as WiFi hotspots available at thousands of locations, including at over 100 stations on the London Underground.

  • O2 Perks

    O2 has a host of perks available to their customers including O2 Priority for exclusive discounts, freebies and tickets to major sports and entertainment events available to O2 customers up to 48 hours before general release. At selected O2 venues you can jump the queues and treat your friends to the VIP experience with exclusive bars.

  • Easy to access customer service

    O2 are well placed on on most High Streets with 450 shops across the UK so if you do need to speak to someone in person you can just pop in store. Alternatively O2’s UK based customer support team are just a phone call away or if you're familiar with navigating website, O2 have a helpful online community forum and help pages available via their website.

WhatSim reviews and compares SIM Only, Pay As You Go and Mobile broadband deals to make sure you make the right choice when you buy.

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