+353-1-416-8900REST OF WORLD
+44-20-3973-8888REST OF WORLD
1-917-300-0470EAST COAST U.S
1-800-526-8630U.S. (TOLL FREE)
The Nippon Telegraph and Telephone Corporation is a Japanese telecommunications company with 241,600 employees. The company is the third largest telecommunications company in the world in regards to revenue, and offers a range of telecommunication products including IT and network services, broadband and mobile telephony. The Nippon Telegraph and Telephone Corporation was established as a government-owned corporation in 1952, before becoming privatized in 1985. The company headquarters are located in Tokyo, Japan.