Global Site Corporate information topHistory History About NTT (holding company) NTT (Nippon Telegraph and Telephone Corporation) has 240,000 employees worldwide and is one of the world's leading telecommunications carriers, which is used by more than 50 million customers in Japan alone. We offer a wide range of services from landlines and mobile phones to the Internet and system integration. List of NTT Group companies * Transition to the NTT (holding company) site. NTT Group Management Information * Transition to the NTT (holding company) site. History of NTT Group chronology 1952 Established Nippon Telegraph and Telephone Public Corporation 1985 Established Nippon Telegraph and Telephone Corporation 1987 Listed on the First Section of the Tokyo Stock Exchange, NTT Corporation 1988 Established NTT Data Communications Co., Ltd. (currently NTT DATA) 1992 Established NTT Mobile Communication Network Co., Ltd. (currently NTT DoCoMo) 1995 NTT DATA listed on the Second Section of the Tokyo Stock Exchange 1998 NTT DoCoMo listed on the First Section of the Tokyo Stock Exchange 1999 Established NTT Communications The history of NTT (Nippon Telegraph and Telephone Corporation) dates back to 1869, when the telegraph service was first introduced in Japan. NTT was established in 1952 as a state-owned monopoly company and was privatized in 1985. Since then, we have continued to develop new businesses and markets, expand our bases in Japan and overseas, and develop the latest technologies. To the top of this page Link * It will be an English site Corporate information Company Profile History Business vision Greetings from the president Our Business Principle Officer introduction Organization Domestic base Global base group company NTT Communications http://www.ntt.com/ Global services Social media site Individual customers Internet connection Content service Smartphone app Telephone / international call support NTT Com Store (Mobile Store) Recommended campaign pick up Notice Corporate customer synthesis Service list / search Small and medium-sized SOHO customers Global services Case study Seminars / Events campaign Topics Customer support Sales partner customers Corporate information Company Profile Management information CSR (Corporate Social Responsibility) Employment information Public information Corporate public relations / advertising activities Notice site map Terms of use of the site Inquiries / FAQ Service list privacy policy Web accessibility policy