SoftBank coverage map
Check the SoftBank coverage map anywhere in Japan. Sogudo shows estimated SoftBank 4G and 5G network coverage at street level - computed from public antenna data, so you can see what SoftBank actually delivers at your address before you commit.
How good is SoftBank coverage?
SoftBank has one of the largest networks in Japan, with solid 4G reach beyond the cities and growing 5G in larger towns. But SoftBank coverage changes from street to street - use the map above to check the expected signal exactly where you need it.
SoftBank 5G coverage
Switch the map to 5G to see SoftBank 5G coverage areas. Where 5G is unavailable, the phone falls back to SoftBank 4G. The SoftBank 5G map is modeled from antenna data and updated monthly.
Check SoftBank coverage at your address
Enter an address or postcode and Sogudo shows the expected SoftBank coverage and network type at that exact point. Move the marker to compare neighbouring streets - useful for a new flat, office or trip.
SoftBank compared with NTT docomo, au
The best network depends on location. Compare the SoftBank coverage map with NTT docomo, au at the same address to see who delivers the strongest signal where you are.
Frequently asked questions about SoftBank coverage
Does SoftBank have good coverage in Japan?
SoftBank ranks No. 0 of 0 in Japan by site count. That is the national picture: coverage still changes street by street, so search your own address on the map above.
Does SoftBank offer 5G in Japan?
No. Our data shows no 5G network for SoftBank in Japan.
Is the SoftBank map up to date?
The map is built from antenna data dated , and the SoftBank network facts were last verified on . Sogudo does not resell SoftBank data.
Is Sogudo affiliated with SoftBank?
No. Sogudo is independent and computes coverage from public antenna data.