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Contact us
View contact information for NTT
Inquiries to NTT Group companies
Inquiries to NTT
(NIPPON TELEGRAPH AND TELEPHONE CORPORATION)
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Contact us by email
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For inquiries about NTT's research and development, please contact us via the following email address:
For inquiries about Sustainability at NTT, please contact us from here.
For inquiries about NTT's environmental activities, please contact us from here.
For inquiries about NTT's procurement and introduction of products, please contact us from here.
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Inquiries about procurement
For inquiries about NTT's procurement and introduction of products, please contact us from here.
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Product Introduction Form
NTT welcomes product introductions from suppliers. Please submit a product introduction form with the required fields filled in
For inquiries about Intellectual Property Center, please contact us from here.
For inquiries about NTT Technology Licensing Site, please contact us from here.
For inquiries other than the above, please contact us from here.
Please contact NTT Group companies regarding to inquiries about businesses and services.
Inquiries to NTT Group companies
Notes
- ■ Any personal information that you provide will be used to reply to your inquiry and offer information.
- ■ In principle, we will reply to your inquiry via the email address that you have provided to us. However, replies may not be sent or received if addresses are mistyped, if there is a disruption in the network, or for other reasons.
- - In the case an incorrect email address was typed when registration was made or an order was placed
There are many cases where email addresses are typed using double-byte characters, or where addresses are entered with the wrong domain name. - - In the case of security and anti-virus software
Some settings may cause replies from us to be determined as spam.
- ■ It may take a few days or more until a reply is made or a reply cannot be made depending on the inquiry. In addition, we cannot accept requests that we make replies at specific times.
Evaluation by Society
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NTT is the first telecommunications operator to become a member of global initiatives to make smarter use of energy, “EP100” and “EV100” (Oct. 2018)
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Established a council to promote secure digital economy together with multi-national companies
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