Cellco Partnership (doing business as Verizon Wireless), a subsidiary of Verizon Communications, is the largest mobile network operator in the United States, providing wireless services to 102.8 million subscribers as of Q4 2013.

Headquartered in Basking Ridge, New Jersey, the company was formed as a joint venture of American telecommunications firm Bell Atlantic (renamed Verizon Communications) and global British telecommunications company Vodafone.