NetZero is an Internet Service Provider in United States. It started business in 1998. The company was founded by four members Marwan Zebian, Stacy Haitsuka, Harold MacKenzie and Ronald T. Burr. NetZero is an operating subsidiary of United Online, an internet services company. The company's services are available in 8,000 cities across North America. It became the First Free 4G Service Provider in America in 2012. The company is headquartered at Los Angeles, California. NetZero offers internet access through standard dial-up connection and Hi Speed dial-up connection. In 2012, NetZero introduced a plan of free broadband internet access on buying the company's product. The customer support services provided by the company are available 24 hours. The postal and official address, email address and phone number (helpline) of Netzero service center is given below. The helpline of Netzero service center may or may not be toll free.