It is the largest mobile network operator in the UK, with around 28 million customers.
Virgin Mobile UK along with ASDA Mobile operates on the EE network under a MVNO agreement.
The world's second-largest mobile phone company. As of March 2012, Vodafone UK has 19.2 million subscribers and is the third largest mobile telecommunications network nationally after EE and O2.
It is the second-largest mobile telecommunications provider in the United Kingdom (after EE).
Britain operates on a GSM network.
Britain's largest mobile operator, EE, said on Monday it posted its best quarterly take-up of its 4G network in the first three months of 2014 due to growing demand for fast mobile Internet and forecast customer numbers more than doubling in 2014.
EE, a joint venture between Orange and Deutsche Telekom, said it added another 889,000 customers in the three months to March 31, taking its customer base to 2.9 million with nearly 5,100 .
EE, formerly known as Everything Everywhere, said it was on target to exceed 6 million 4G customers by the end of 2014.
Despite the growth, the company said turnover during the quarter dropped 3.6 percent from a year ago to 1.6 billion pounds ($2.7 billion).
Operating revenue was down 1.7 percent on a year ago to 1.5 billion pounds which included the impact of regulatory cuts.