Scheduled Maintenance Notification
To provide better service to our customers, we will carry out maintenance work to improve functionality. Please note that some services may be interrupted during the work. We appreciate your understanding in this matter.
*While construction information is regularly updated, the date, time, and target areas are subject to change without notice due to weather and other circumstances. Thank you for your understanding in advance.
Short-term maintenance work
Updated May 23, 2025
Some services may be interrupted for a few hours in the affected areas. Please select your prefecture to check the maintenance information.
*The completion time may be extended depending on the construction situation.
*The date, time, and area may be changed without notice due to weather or other circumstances.
*SMS, incoming call notifications, and voicemail messages sent during the construction hours will be delivered after the construction is completed.
Select Prefecture
| Work start time | Work completion time | Applicable areas | Impact on Customers |
|---|---|---|---|
| 2025-05-14 09:00 | 2025-05-14 17:00 | Some areas of Konomi, Takko, Kamikawacho, Kawachi-gun, Tochigi Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| May 30, 2025 9:00 | May 30, 2025 17:00 | Some areas of 3-chome, Tamagawa, Setagaya-ku, Tokyo | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| 2025-05-14 09:00 | 2025-05-14 17:00 | Some areas of Yanagibashimachi, Mitsuke City, Niigata Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| 2025-05-08 09:00 | May 8, 2025 17:00 | Some areas of Asahoribuchi, Imajō, Minamiechizen-cho, Nanjō-gun, Fukui Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| May 9, 2025 9:00 | 2025-05-09 17:00 | Some areas of Asahoribuchi, Imajō, Minamiechizen-cho, Nanjō-gun, Fukui Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| 2025-05-08 09:00 | May 8, 2025 17:00 | Some areas of Maedazuka-cho, Yuo, Minamiechizen-cho, Nanjogun, Fukui Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| May 9, 2025 9:00 | 2025-05-09 17:00 | Some areas of Maedazuka-cho, Yuo, Minamiechizen-cho, Nanjogun, Fukui Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| 2025-05-14 09:00 | 2025-05-14 17:00 | Some areas of Taisho, Nagase, Mino City, Gifu Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
| May 21, 2025 9:00 | 2025-05-21 17:00 | Some areas of Maedaira, Miko, Satsuma-cho, Satsuma-gun, Kagoshima Prefecture | If a communication disruption occurs for less than 8 hours during working hours, both voice and data services may be unavailable. |
Long-term maintenance work
Updated September 10, 2024
There are no long-term maintenance works currently underway or scheduled.
