Our 100GB and 200GB Monthly Pocket WiFi plans all use SoftBank's network.
Therefore, you can expect coverage in most of Japan.
You may directly confirm the coverage of your area on SoftBank's website (Japanese only):
LINK: SoftBank Service Area
If you would like to check specifically for where you plan to be without using SoftBank's website, please contact us with the following information:
1. Specifically where you plan to be using our service (City and postal code if possible)
※ Please note that other external factors such as the weather, current network congestion, how many devices are connected, etc. may influence your signal strength even if there is good coverage in your area.