Verizon Wireless (legal name: Cellco Partnership d.b.a. Verizon Wireless), is a mobile network operator that offers wireless voice, messaging and data products and services to customers in the United States. Verizon Wireless is the largest wireless communications services provider in the United States with 108.7 million subscribers as of the end of 2011.

Headquartered in Basking Ridge, New Jersey, the company is a joint venture of U.S. telecommunications firm Verizon Communications and UK multinational mobile network operator Vodafone. Verizon Communications holds 55 percent ownership and Vodafone hold the remaining 45 percent ownership of the joint venture.

On January 9, 2009, Verizon Wireless acquired Alltel Wireless in a deal valued at $28.1 billion.

Verizon Wireless traces its roots to Bell Atlantic Mobile, NYNEX Mobile Communications, AirTouch Communications, PrimeCo Communications, and GTE Mobilnet. Bell Atlantic Mobile and NYNEX Mobile Communications merged in 1995 to create Bell Atlantic – NYNEX Mobile, and in 1997 their namesake Baby Bell parents followed suit to form the new Bell Atlantic and their wireless subsidiary was renamed Bell Atlantic Mobile. Bell Atlantic Mobile and NYNEX Mobile Communications were created from Advanced Mobile Phone Service, Inc., which was a subsidiary of AT&T created in 1978 to provide cellular service nationwide. AMPS, Inc. was divided among the RBOCs as part of the Bell System Divestiture.