Docomo SIM Card Japan – 100GB Data + Call Number, 4G LTE network
Docomo SIM, 50GB data per month with a phone number for voice calls, monthly prepaid plan, no contract required. Perfect for international students, foreigners in Japan, and travelers who need large data: watching movies, web browsing, remote work. Optional voice call add-on packages are also available.
✔ Initial fee (registration + first month): ¥4,500
✔ Billing cycle: 20th–25th of each month
✔ Data allowance: 50GB/month
✔ Phone number: Included, supports additional voice call packages
✔ Contract: Not required
✔ Supported network: Docomo, stable coverage across Japan
✔ Target users: International students, foreigners in Japan, travelers with large data needs
Docomo SIM Card Japan – 100GB Data + Call Number, 4G LTE network
¥4,500
Pay with
VISA
Mastercard
JCB
AMEX
Konbini
Bank transfer
Cash on delivery
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Libreng Shipping sa Buong Bansa sa Japan (Sa mga Piniling Produkto)
日越二言語カスタマーサポート対応
Online in 3 simple steps
No shop visit, no Japanese paperwork stress.
1
Order in 2 minutes
Pick your plan and pay by card, at a konbini, by bank transfer or cash on delivery.
2
Receive it at home
Your SIM arrives by post with a setup guide in English and Japanese.
3
Insert and go
Put the SIM in your phone or router, follow the APN guide, and get online.
What you get
NetworkSoftBank 4G LTE
High-speed data50GB per month
After 50GBSpeed limit may apply
Calls / SMSData only
SIM sizeNano / Micro / Standard
ContractNone
Monthly payment20th–25th of each month
Why choose C.T.S
C.T.S Data SIM
Typical contract plan
Contract
None
Often required
How to start
Delivered to your door
Visit a shop
Support language
English & Japanese
Mostly Japanese
Payment
Card, konbini, bank, cash
Card or bank account
General comparison. [Verify each row before publishing.]
Real people, real SIMs
Every order is packed by our team in Saitama.
[Photo: team packing orders]
★★★★★
"A simple way to get connected in Japan."
★★★★★
"Clear setup and helpful support when I needed it."
[UGC: customer connected in Japan]
Questions before you buy
Still unsure? Our team answers in English and Japanese.
You pay ¥5,500 today, which covers activation and your first month. After that the plan is ¥2,850 per month (tax included).
Once you reach 50GB, your connection continues at a throttled speed until the next monthly cycle.
Compatible with SIM-free smartphones, mobile pocket WiFi devices and tablets supporting Japan LTE bands.
Cash payment is supported through the payment methods available at checkout.