noun
(former) Nippon Telegraph and Telephone Public Corporation
Historical company name; refers to the state-owned telecommunications monopoly before privatization into NTT in 1985. Often encountered in discussions of postwar Japanese infrastructure.
電電公社は1985年に民営化され、NTTとなった。
The Nippon Telegraph and Telephone Public Corporation was privatized in 1985 and became NTT.
NTT is the privatized successor to 電電公社, established in 1985.
Abbreviation of 日本電信電話公社 (Nippon Denshin Denwa Kōsha). The reading でんでんこうしゃ comes from the first characters of 電信 and 電話, both read as でん.