Japan's mobile carriers say their phone services remain limited in Chiba Prefecture and other areas, mainly in the Kanto region. The disruption has been caused by Typhoon Faxai, which made landfall on Monday.
NTT Docomo says that as of Thursday, its mobile phone connectivity is poor in 43 municipalities of Chiba Prefecture and two in Kanagawa Prefecture. The islands of Oshima and Niijima, which are part of Tokyo, are also experiencing connectivity problems.
KDDI says users are having trouble in 34 municipalities in Chiba Prefecture, two in Ibaraki Prefecture and one in Tokyo.
SoftBank reports poor phone connectivity in 24 municipalities in Chiba Prefecture and one in Shizuoka Prefecture.
The carriers have deployed mobile antennas and mobile power supply vehicles.
They're providing free Wi-Fi at stations and commercial facilities, mainly in Chiba Prefecture. You can log on to the Internet by typing in "00000JAPAN" regardless of your phone's carrier. You don't need to type in a password.
The carriers are also offering a disaster message board service on the Internet.
NTT East says about 46,000 fixed phone lines in Chiba Prefecture and 32,000 Internet connections are still out of order.
The company is offering free calls from about 7,000 public phones throughout the prefecture.