eSIM for Japan
ESIMBYCOUNTRY at checkout · See all codes →Japan at a glance
- Generations
- 3G, 4G/LTE, 5G
- Main carriers
- NTT Docomo, au (KDDI), SoftBank, Rakuten
- Local eSIM
- Local carriers issue eSIMs
- Calling code
- +81
Japan has excellent mobile coverage supported by four major carriers: NTT Docomo, au (KDDI), SoftBank, and Rakuten. These networks operate on 3G, 4G/LTE, and 5G, with 5G available in key bands across the country. A travel eSIM will connect to these networks on modern eSIM-capable phones, providing reliable connectivity throughout your stay.
Roaming charges on your home carrier are typically expensive in Japan, making a travel eSIM the most practical choice for most visitors. The travel-eSIM market is highly competitive here, offering straightforward activation and generally lower costs than traditional roaming. Local carriers do issue eSIMs directly, but for short-term travel, a travel eSIM remains the easiest and most economical option.
| Connectivity | As publicly reported |
|---|---|
| Network generations | 3G, 4G/LTE, 5G |
| Main mobile networks (MNOs) | NTT Docomo, au (KDDI), SoftBank, Rakuten |
| Key travel bands | B1(2100), B3(1800), B8(900), B18/B26(800), n77/n78(3.7GHz), n79(4.5GHz), n257(mmWave) |
| Local eSIM support | Local carriers issue eSIMs |
| Region | Asia |
| Capital | Tokyo |
| Calling code | +81 |
Travel-eSIM country connectivity cheat-sheet
Each country's mobile generations, carriers and roaming-vs-eSIM verdict on one page. Free. No prices — those come from the provider feed.
Travel eSIM or local SIM in Japan?
Roaming from a home carrier is typically expensive here, but the travel-eSIM market is highly competitive — a travel eSIM is usually the cheapest, easiest option for visitors. See the eSIM-vs-roaming view for this country →
Travel eSIM plans for Japan
Live plans and prices here are supplied by the eSIM provider feed (Airalo / Holafly / Saily) at publish time — not stored or estimated on this page. A travel eSIM works on almost any modern eSIM-capable phone regardless of whether local carriers issue eSIMs. Open the plan finder →
eSIM providers covering Japan
| Provider | Destination coverage | Activation | Plans |
|---|---|---|---|
| Sim Local | Dedicated Japan destination page (verified on the provider's site 2026-07-14) | Digital delivery — installs as an eSIM profile on an eSIM-capable, unlocked phone | See plans →10% off with our code ESIMBYCOUNTRY at checkout |
Provider destination pages checked on 2026-07-08 and 2026-07-14. Plans and prices are live on the provider's site — never stored or estimated here. We only list partners we can link and verify directly; this table grows as more providers pass review. How we compile this →
Frequently asked questions
Does Japan have eSIM?
Which mobile networks does an eSIM use in Japan?
Is there 5G in Japan?
How much does an eSIM for Japan cost?
Full coverage & carriers → · eSIM vs roaming → · Look up another country →
Compiled from public-record telecom facts (the MNO roster, commercially-launched 3G/4G/5G generations, deployed travel-relevant bands and local-eSIM support) and verified June 2026; see the source we compile this country from. How we compile this. Plan prices are supplied by the eSIM provider feed at publish time, not stored here.