Verizon is the incumbent local phone company, serving about 25% of the U.S. population. The firm owns a long-haul network that reaches cities around the globe. Verizon Wireless, the firm's 55%-owned partnership with Vodafone, serves about 94 million retail customers across the United States. Verizon spun off its directories unit in 2006 and its local phone operations in Maine, Vermont, and New Hampshire in 2008. Additional lines were spun off to Frontier Communications in 2010.