When searching for eSIMs for travel to Japan, you may come across terms like, "Compatible with Docomo network" "NTT Docomo Network."
The Docomo network is a widely accessible communication network throughout Japan, and it is often adopted for travel eSIMs.
In this article, we will explain in detail what the Docomo network is, the reasons it is recommended for travel in Japan, its advantages and disadvantages, and points to consider when choosing an eSIM.
If you want to know more about eSIMs in Japan as a whole, please check out the Complete Guide to Japan eSIM .
What is the Docomo Network?
The Docomo network is a mobile communication network provided by NTT Docomo.
It is considered one of the widest communication areas in Japan, characterized by its accessibility not only in urban areas but also in rural and mountainous regions.
| Item | Details |
|---|---|
| Telecommunication Company | NTT Docomo |
| Coverage Area | Nationwide in Japan |
| 5G Support | Available in certain areas |
| Recommended for Travelers | ★★★★★ |
Many travel eSIM products are available that connect to the Docomo network for communication.
Reasons Why the Docomo Network is Popular Among Travelers
Easy to Use Nationwide
It provides accessible communication areas not only in Tokyo, Osaka, and Kyoto but also in Hokkaido, Tohoku, Kyushu, and Okinawa.
Strong in Rural Travel
There are many places where you can communicate even in mountainous areas and rural cities, making it popular among travelers exploring Japan.
Stable Communication Quality
Services commonly used during travel, such as Google Maps, LINE, social media, and video streaming, can be used comfortably.
Communication Areas of the Docomo Network
| Region | Ease of Use |
|---|---|
| Tokyo | ★★★★★ |
| Osaka | ★★★★★ |
| Kyoto | ★★★★★ |
| Hokkaido | ★★★★★ |
| Kyushu | ★★★★★ |
| Mountainous Areas | ★★★★☆ |
In a typical trip to Japan, you will hardly have to worry about communication areas.
Who is the Docomo Network Recommended For?
- Those traveling throughout Japan
- Those visiting rural cities
- Those who prioritize communication stability
- First-time users of eSIM in Japan
- Those who frequently use Google Maps
Advantages and Disadvantages of the Docomo Network
Advantages
- Easy to use nationwide
- Relatively strong in rural and mountainous areas
- Stable communication quality
- Widely adopted in travel eSIMs
Disadvantages
- Some products may be more expensive than other networks
- Speed may decrease during peak hours
- The available network may vary by eSIM product
In a normal travel scenario, you are unlikely to encounter significant disadvantages.
Comparison with au and SoftBank Networks
| Comparison Item | Docomo | au | SoftBank |
|---|---|---|---|
| Urban Areas | ★★★★★ | ★★★★★ | ★★★★★ |
| Rural Areas | ★★★★★ | ★★★★☆ | ★★★★☆ |
| Mountainous Areas | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Recommended for Travelers | ★★★★★ | ★★★★☆ | ★★★★☆ |
In major tourist destinations like Tokyo, Osaka, and Kyoto, you can usually use any network comfortably.
For travelers exploring all over Japan, the Docomo network is one of the reliable options.
Points to Consider When Choosing a Docomo Network eSIM
Check the Number of Days of Use
Choose a plan that matches the number of travel days.
Check the Data Capacity
If you primarily use Google Maps, a smaller capacity is sufficient; if you watch a lot of videos, a larger capacity plan is recommended.
Check Compatible Devices
Before purchasing, please check the List of eSIM Compatible Devices .
Check the Setup Method
For first-time users, the eSIM Setup Guide is also helpful.
Frequently Asked Questions
Can I use the Docomo network throughout Japan?
It is a network that is easy to use not only in major cities but also in rural cities and tourist spots.
Is the Docomo network recommended for travelers?
Yes. It has a wide communication area and is recommended for those traveling to Japan for the first time.
Can I use 5G?
If you have a compatible device and are in a supported area, there are products that support 5G communication.
Can I communicate in rural areas?
It provides accessible communication areas even in rural areas like Hokkaido and Kyushu.
Will I definitely be on the Docomo network with an eSIM?
No. The telecommunication company used may vary by product. Please check the supported network before purchasing.
What should I do if I cannot communicate?
Please check the eSIM connection, mobile data communication, data roaming, and APN settings in order.
Which is recommended, the Docomo network or the au network?
There is not much difference if you are only in urban areas. For rural travel, the Docomo network is often chosen.
Where can I purchase an eSIM for travel to Japan?
Many products can be purchased online, and you can set them up simply by scanning a QR code.
Conclusion
The Docomo network is popular for travel eSIMs because it is easy to use throughout Japan and strong in rural travel.
- Easy to use nationwide
- Recommended for rural travel
- Stable communication quality
- Recommended for first-time travelers to Japan
While comparing travel days and data capacity, choose the Japan eSIM that suits you best.
