| Ministry of Internal Affairs and Communications (MIC) | 1-2, Kasumigaseki 2-chome, Chiyoda-ku, Tokyo 100-8926 Japan | |
| • International Policy Division of International Affairs Department, Telecommunications Bureau Division in charge of international policies at MIC | Tel.: +81-3-5253-5920 Fax: +81-3-5253-5924 | |
| • Telecommunications Business Department, Telecommunications Bureau: | [Registration/approval for telecommunications business] Telecommunications Policy Division | Tel.: +81-3-5253-5835 Fax: +81-3-5253-5838 |
| [Notification for telecommunications business] Computer Communications Division | Tel.: +81-3-5253-5852 Fax: +81-3-5253-5855 | |
| [Universal telecommunications services, business agreements] Tariff Division | Tel.: +81-3-5253-5842 Fax: +81-3-5253-5848 | |
| [Technical conditions] Telecommunication Systems Division | Tel.: +81-3-5253-5858 Fax: +81-3-5253-5863 | |
| [Telecommunication numbers] Numbering Plan Office | Tel.: +81-3-5253-5869 Fax: +81-3-5253-5863 | |
| [Consumer protection rules] Telecommunications Consumer Division | Tel.: +81-3-5253-5847 Fax: +81-3-5253-5948 | |
| • Radio Department, Telecommunications Bureau: | [Frequency assignment, radio operator] Radio Policy Division | Tel.: +81-3-5253-5873 Fax: +81-3-5253-5940 |
| [Fixed communications and fixed satellite communications] Fixed Communications Division | Tel.: +81-3--5253-5886 Fax: +81-3-5253-5889 | |
| [Land mobile communications] Land Mobile Communications Division | Tel.: +81-3-5253-5893 Fax: +81-3-5253-5946 | |
| [Aeronautical communications and maritime communications, mobile satellite communications] Mobile Satellite Communications Division | Tel.: +81-3-5253-5816 Fax: +81-3-5253-5903 | |
| [Certification of conformity with technical regulations] Electromagnetic Environment Division | Tel.: +81-3-5253-5907 Fax: +81-3-5253-5914 | |
| Regional Bureaus of Telecommunications: These bureaus are regional branches of MIC and act as the liaison between regional communities. | • Hokkaido Regional Bureau of Telecommunications | Tel.: +81-11-709-2311 Fax: +81-11-709-2481 |
| • Tohoku Regional Bureau of Telecommunications General Affairs Division |
Tel.: +81-22-221-0604 Fax: +81-22-221-0612 | |
| • Kanto Regional Bureau of Telecommunications | Tel.: +81-3-3243-8607 Fax: +81-3-3242-7250 | |
| • Shin-etsu Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-26-234-9963 Fax: +81-26-234-9969 | |
| • Hokuriku Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-76-233-4412 Fax: +81-762-33-4419 | |
| • Tokai Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-52-971-9105 Fax: +81-52-955-3294 | |
| • Kinki Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-6-6942-8505 Fax: +81-6-6942-1849 | |
| • Chugoku Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-82-222-3304 Fax: +81-82-221-0075 | |
| • Shikoku Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-89-936-5011 Fax: +81-89-936-5007 | |
| • Kyushu Regional Bureau of Telecommunications General Affairs Division | Tel.: +81-96-326-7806 Fax: +81-96-356-3523 | |
| • Okinawa Office of Posts and Telecommunications Administration Division | Tel.: +81-98-865-2301 Fax: +81-98-865-2311 | |