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O2 Coupons, Discounts Codes & Deals. About O2: O2 UK is a British telecommunications services provider, headquartered in Slough, England which operates under the O₂ brand.It is owned by Virgin Media O2, a 50:50 joint venture between Telefónica and Liberty Global. O2 is the second-largest mobile network operator in the United Kingdom, with 27.2 million subscribers as of May 2021, followed by ...
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