From Wikipedia, the free encyclopedia.
Nippon Telegraph and Telephone (日本電信電話 Nippon Denshin Denwa) is a telephone company that dominates the telecommunication market in Japan. It was once a public company.
As a group corporation, it consists of the following major companies:
- NTT East
- NTT West
- NTT Data
- NTT DoCoMo (developed iMode)
- NTT Communications
