Why a Japanese phone number matters for banks, jobs, and delivery services
Banks, apartment screening, and job applications in Japan rely on SMS or phone verification. Why a data-only SIM can block you, and what to fix first.
Read moreCategory
SIM cards, Wi-Fi, phone contracts, fees, cancellation rules, and language support.
Mobile contracts in Japan can be difficult when plan pages, cancellation rules, and support desks are mainly in Japanese. Start by checking whether you need a phone number, how long you will stay, which payment methods are accepted, and whether support is available after signup.
Use this category as a decision path: understand the basics, prepare documents and costs, compare options, then confirm the final checklist.
Banks, apartment screening, and job applications in Japan rely on SMS or phone verification. Why a data-only SIM can block you, and what to fix first.
Read moreMany MVNOs require a credit card, blocking new arrivals. Which providers accept debit or bank transfer, and what to check before comparing monthly fees.
Read moreMoving in Japan means deciding whether to transfer or cancel fiber internet, and updating your address on phone and bank accounts. What to schedule and when.
Read moreCancel a Japanese phone contract step by step: MNP number portability, device installment balances, final month billing, SIM returns, and what to do before leaving Japan.
Read moreFiber internet in Japan costs about 4,000-6,000 yen monthly but takes weeks to install. Compare hikari, home 5G routers, and the contract conditions to check.
Read moreMVNO SIMs cost around 800-2,000 yen monthly versus 5,000-7,000 for major carriers - but differ in peak-time speed, shop support, language help, and payment methods.
Read moreCompare pocket Wi-Fi and SIM cards in Japan by monthly cost, data limits, device rules, and contracts - and when tethering makes pocket Wi-Fi unnecessary.
Read moreA practical comparison framework for foreign residents choosing SIM cards in Japan, including language support, payment methods, and contract risks.
Read moreCompare Japanese SIM cards by contract length, language support, fees, data, cancellation rules, and payment methods before applying.
Read moreA practical guide to reading mobile phone bills in Japan, including base fees, device installments, options, campaigns, and cancellation timing.
Read moreService checks
These service notes are not rankings. Use them to confirm language support, documents, fees, and cancellation rules on the official site.
| Service | Languages | Suitable for | Check before applying | Official site |
|---|---|---|---|---|
| Mobal Japan SIMChecked: 2026-06-11 | English | New arrivals who need English support | Check the official plan page for current setup costs, monthly fees, and data limits. | Confirm conditions |
| Sakura MobileChecked: 2026-06-11 | English, Chinese | People who want support in English or Chinese | Check the latest fees, campaign rules, device costs, and delivery fees on the official site. | Confirm conditions |
| GTN MobileChecked: 2026-06-11 | English, Chinese, Vietnamese, Tagalog, Nepali | Residents who need multilingual support | Check current monthly fees, initial fees, and supported payment methods. | Confirm conditions |