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SIM Setup Guide · SIMカード開通ガイド

How to Get a SIM Card in Japan

Step-by-step SIM setup for foreigners — MVNO vs carrier, eSIM vs physical, contract vs prepaid

日本 SIMカード 外国人 | 格安SIM | eSIM 開通 | 2026年版

6 StepseSIM supportedForeign card accepted

Looking to compare SIM prices and data plans?

This guide covers how to buy and set up a SIM. To find the cheapest plan for your usage, use the

JUST ARRIVEDNeed data today? Buy this at the airport

IIJmio Travel SIM

Sold at major airports · 15-day data SIM · No residence card needed

Prepaid SIM at Yodobashi / BIC Camera

Available in Tokyo, Osaka, Nagoya · Multiple data options · Data-only

After you register your residence card at city hall, switch to a monthly voice SIM for a phone number and cheaper rates.

Step-by-step walkthrough

Quick pick by situation

Just arrived today, need data now→ Airport prepaid SIM or IIJmio Travel SIM

No residence card needed. Data-only. Works at any convenience store or airport shop.

Have residence card, want cheapest plan→ povo 2.0 or LINEMO Mini

povo has 0 yen base, pay only for what you use. LINEMO Mini is 990 yen/month for 3 GB.

Want English customer support→ Rakuten Mobile (store visit)

English staff available at major store locations. Bring residence card and credit card.

Have no Japanese credit card yet→ Rakuten Mobile or IIJmio

These accept foreign Visa/Mastercard. You can switch payment to bank account later.

Want to keep home country number active too→ eSIM + physical SIM dual setup

Add a Japanese eSIM while keeping your home country physical SIM in the phone.

Need large data for work→ Rakuten Mobile unlimited

3,278 yen/month for truly unlimited data on Rakuten and docomo roaming (1 Mbps after 30 GB on non-Rakuten areas).

FAQ — 日本 SIMカード よくある質問

Yes. Rakuten Mobile, IIJmio, and povo accept foreign credit cards (Visa, Mastercard). You do not need a Japanese bank account to sign up. However, Japan Post Bank and convenience store payment are easier for monthly billing once you have a local bank account.

Which plan saves you the most money?

Enter your data usage and current bill — get a personalized recommendation.

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日本 SIMカード 外国人 · 格安SIM 在留カード · eSIM 外国人 日本 · 日本 携帯 外国人 · SIMフリー · 格安SIM おすすめ 外国人 · 2026