1
Pick a plan and a term
Fixed data for a set term, or a pass by the day.
eSIM Japan: Prepaid Travel Data
5GArrive in Japan already online. The eSIM installs at home and connects on your first switch-on in Japan.
No plans are on sale for this destination right now.
- Coverage
- Japan only. Crossing a border on the same trip? Pick a regional plan that includes Japan.
- When it starts
- On the first connection at the destination, not at purchase. Install it at home and it waits.
- Activation window
- Install within 180 days of purchase.
- Hotspot
- Where the local operator allows tethering.
- Calls & texts
- Data only. Your usual SIM keeps your number, so calls and bank codes still reach you.
- Speed
- 3G/4G/5G · 3G/4G
- Speed Limitations
- Data speeds may be reduced based on the network operator’s fair-use policies and network conditions.
- Plans on sale
- 23 fixed plans · 20 day passes
- Data per plan
- 100 MB to 50 GB
- Fixed plan term
- 7–180 days
- Day pass term
- 1–365 days, picked at checkout
- Daily allowance
- 500 MB to 10 GB per day
- Networks
- NTT docomo (4G), KDDI/au (5G), Rakuten Mobile (5G), SoftBank (5G)
- eSIM standard
- Standard GSMA profile. Scan the QR code or type the activation code under Add eSIM. One install per profile.
- ID check
- None. No passport, no registration, no shop visit.
- Quantity
- Up to 10 eSIMs in one order, each with its own QR code.
- Payment
- From your 1001SMS balance, topped up by card or crypto.
Skip home-carrier data roaming, physical SIM collection or swaps, contracts, airport kiosk queues and ID checks. You only need an eSIM-capable, carrier-unlocked phone to use your travel data.
Keep your existing number while the eSIM handles data only. Your own SIM stays in your phone for calls, SMS, WhatsApp and bank codes on that number.
Match your plan to your route: short plans suit Tokyo city breaks, while longer options suit travellers combining Kyoto temples, Osaka food stops and time in Hokkaido.
Arrive with your eSIM already installed before departure, ready to connect in Japan. Aim to get online before passport control instead of hunting for airport Wi-Fi after landing.
What it is not: a phone number. For a local number to receive sign-up codes or bookings, add a virtual number next to the data plan.
Which Networks the Plans Use
Plans run on NTT docomo, KDDI/au, SoftBank and Rakuten Mobile, all with 5G where the network has it. That covers the four Japanese mobile operators.
Japan eSIM Unlimited Data, Fixed Plans and Day Passes
eSIM Japan Travel: When It Starts
The plan starts on the first connection in Japan, not when you buy it. Install within 180 days, preferably on Wi-Fi before the flight.
Best eSIM for Japan: What to Compare
Look at which network the plan uses (rural coverage differs between operators), fixed data versus a day pass, the validity, whether hotspot is allowed, and that the clock only starts on arrival. All five are on the plan page.
Japan eSIM Tourist Checklist
- Make sure your phone supports eSIM and is unlocked.
- Buy and install at home.
- Keep your own SIM for calls and bank codes.
- Switch the eSIM line on for data after landing.
How it works
Land in Japan already online
Set it up on Wi-Fi the night before. The eSIM waits quietly until you arrive.
2
Pay and scan the QR code
Pay from your balance and get the QR code at once.
3
Turn it on when you land
Turn on data roaming and it finds a network itself.
Reviews
What customers say
Best virtual number website
Using this site from more than 1 month and everything works perfect till now.. no problem faced.. UI is simple and easy to understand, buying number is fast.. numbers are always fresh and otp comes instantly no waiting time.. I really suggest them best site in 2026
Worked as intended
Well, it worked as intended. It was very easy to use the service, so I can only recommend it. Wish there were help desk to check some questions but regardless it was a satisfactory purchase.
Excellent service. So happy I found it
Excellent service. Works when it works and replaced when it doesnt. Fair pricing and good perks as well.
A year and counting...
Ive been using this service for what feels like a year now, most easy to use software out there and by far the best prices, this is my one stop shop for everything SMS related. Big thanks to the 1001SMS team for constant updates and interface updates! :))
Much more reliable
SMS a little more expensive than other pages, but they are much more reliable, and work.
My experience has been great
My experience has been great because 1001sms has made my job so effortless and a 10 man task feel like a job for just 1.
Great service
Great service, absolute amazin for 3rd Countries who cant use amaing services without phone numbers
I have used number from this site and it's good
I have used number from this site and it worked perfectly. 1001sms is a good choice when it comes to getting number from any country and any service
FAQ
Using an eSIM in Japan: your questions
Yes, LINE and WhatsApp calls run over data. The eSIM has no phone number of its own.
Japan only. For several countries, pick a regional plan.
No.
You need an eSIM-capable, carrier-unlocked phone to use these Japan plans. Dial *#06# to look for an EID, which identifies your phone's eSIM.
You can buy another Japan plan using your prepaid account balance. Your new purchase comes with its own QR code and manual activation code.
Select your eSIM for mobile data in your phone settings in Japan. Turn on data roaming for that eSIM, then try restarting your phone.
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