eSIM for Japan
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 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 →
Frequently asked questions
Will a travel eSIM work in Japan?
How much does an eSIM for this country 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.