VZ vs C Comparison

Wireless services account for about 70% of Verizon Communications' total service revenue and nearly all of its operating income. The firm serves about 93 million postpaid and 20 million prepaid phone customers via its nationwide network, making it the largest US wireless carrier. Fixed-line telecom operations include local networks in the Northeast, which reach about 30 million homes and businesses and serve about 8 million broadband customers. Verizon also provides telecom services nationwide to enterprise customers, often using a mixture of its own and other carriers' networks. Verizon agreed to acquire Frontier Communications in September 2024.

Citigroup is a global financial-services company doing business in more than 100 countries and jurisdictions. Citigroup's operations are organized into five primary segments: services, markets, banking, US personal banking, and wealth management. The bank's primary services include cross-border banking needs for multinational corporates, investment banking and trading, and credit card services in the United States.