Spanish telecom giant Telefonica lost one million land lines to alternative telephone operators last year. Data presented by Spain's Telecommunications Commission in Madrid reveals that the telephone operator, headed by Cesar Alierta, closed 2010 with a market share of 52.7%, which represents a 2.2 percentage point (pp) decline from 2009 when the market share was 54.9%.Alternative telephone operators captured 72% of new land lines.Telefonica's mobile broadband market was 2.5pp higher at 26.8% in 2010 compared to 24.3% in 2009. Land broadband remained more or less stable, down 0.5pp from 19.8% to 19.3%.In mobile communications, net phone portability was positive for Orange (France Telecom) and Yoigo (TeliaSonera) with a total of 238,600 and 472,600 lines respectively. Movistar (Telefonica's mobile phone brand) and Britain's Vodafone had a net loss of mobile phone lines in Spain in 2010; 220,900 for Movistar and 573,400 for the British operator.Telefonica is now down 0.25% to €16.16 on Tuesday morning.S.B.