The company with the largest cell phone coverage in the United States is Verizon Wireless. This company was formed in June of the year 2000 following the merger of Bell Atlantic corporation and GTE corporation.
Verizon Wireless is considered the company with the widest coverage, since it had an estimated 125 million subscribers by the end of the third quarter of 2014. The closest company to reach this number was AT&T Mobile, which had an estimated 120 million subscribers by the end of the same year. Verizon Wireless has over 177,000 employees working in over 2,700 cities and operates over 200 data centers.