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We deal with emergencies, such as power failures, on a 24-hour basis. This service is also accessible from mobile or PHS phones.

Gunma Customer Center
Service Area:
Gunma Prefecture
Moving in or out / change of contract 0120-99-5221 (toll free)
Inquiries related to power failures
and electricity charges
0120-99-5222 (toll free)
In case that 2 numbers above are
not available
027-898-3406 (payable)
FAX 0120-99-5299 (toll free)
Office hours Monday-Saturday 9:00am-5:00pm
(except Holidays)
* Please be sure to dial the correct number.