Choose an operator in Japan
Best cell phone service in Japan
Who has the best cell phone service? It depends on exactly where you are. Sogudo lets you compare docomo, au, SoftBank coverage at your own address - on a free map built from real antenna data - so you can see who actually has the best cell service in your area, not just nationwide averages.
Compare operators
Open an operator to see its coverage map and compare 4G and 5G areas at your address.
Which network has the best coverage near you?
There is no single best network at country level - coverage changes from street to street. One operator leads in the countryside, another in the city. The only answer that matters is yours: search your address above and compare them all at the exact place where you live, work or travel.
Frequently asked questions about cell phone service in Japan
Who has the best cell phone service?
There's no nationwide winner - it depends on your address. Compare docomo, au, SoftBank on Sogudo at your exact location to see who has the best coverage for you.
How many mobile operators are in Japan?
Japan has 3 mobile operators mapped on Sogudo: docomo, au, SoftBank.
Is 5G available in Japan?
Selected operators in Japan have started rolling out 5G in major urban areas. Switch the map to 5G to see covered zones.
How do I compare operators in Japan?
Pick any operator from the list, then switch operators on the map to compare coverage at the same address.
Is the coverage map up to date?
The map is regenerated monthly from public mobile-antenna data. Sogudo is fully independent and not affiliated with any operator. Coverage accounts for each antenna's sectors, the terrain between you and the antenna, and the density of the built environment around it.