At the end of last year a total of 64.379 million mobile phones were registered in France (including the mainland and overseas territories), up 4.6% year-on-year, Arcep reports. In the fourth quarter – traditionally the period of strongest growth in the country – the incumbent cellcos added a net 1.808 million new customers, compared to 629,700 in Q3, taking cellular penetration to 99.7% at the year end. In metropolitan France, which excludes overseas departments and territories, the total stood at 61.882 million cellphone users, thanks to fourth quarter net additions of 1.744 million, it said. The market share of mobile virtual network operators (MVNOs) in mainland France continues to grow, reaching 6.52% in Q4 2010, up from 6.31% three months earlier, and 6.30% in June 2010. MVNOs collectively added a net 241,000 customers in the fourth quarter, equivalent to 14% of the total growth. Mobile number portability (MNP) saw 733,000 people switching their provider in the fourth quarter alone, while for the year as a whole, 2.280 million ported their number – up 33% on 2009. The total number of mobile numbers ported since July 2003 now stands at 7.243 million.