Buy Japan SIM Card, Japan eSIM – Latest Japan 4G/5G Travel SIM Card

• Japan has 4 major mobile network operators: NTT Docomo, au by KDDI, SoftBank, and Rakuten Mobile. NTT Docomo has nationwide coverage, stable service; au by KDDI stands out with high speed, reasonable prices, and many offers for tourists; SoftBank and Rakuten Mobile offer cheap data plans but their coverage in areas far from the center is more limited compared to NTT Docomo and au. Japan's telecommunications infrastructure is developing rapidly, meeting the needs of using Japan SIM, Japan travel SIM, and internet connection for both locals and international visitors.

DETAILS OF JAPAN SIM PLANS

TOTAL DATA VOLUME PACK (HIGH SPEED)

• Choose the number of days to use according to your needs
• After using up high-speed data, switch to normal speed, unlimited
• Usage days are counted from the time the SIM is inserted into the device
• Make free calls on Zalo, Viber, Facebook, Facetime
• Carrier: NTT Docomo, au by KDDI, SoftBank and Rakuten Mobilewide coverage
• Supports Wi-Fi sharing (hotspot)

DAILY FLEXIBLE DATA PACK

• Choose the number of days to use
• 4 levels: 500MB, 1GB, 2GB, 3GB high speed/day
• After exceeding the daily high-speed limit, revert to normal speed, unlimited
• Automatically renews data capacity after 24 hours
• Free calls via Zalo, Viber, Facebook, Facetime
• Carrier: NTT Docomo, au by KDDI, SoftBank and Rakuten Mobile
• Has hotspot, Wi-Fi sharing
  SIM allows remote top-up, extension of usage days, no worries about running out of data midway. Need support, call now 0974.051.444 or 0386.001.001 (24/7 support)
  

VIDEO ON HOW TO INSTALL AND SET UP SIM EXTREMELY EASILY 

INFORMATION ON THE BEST NETWORK OPERATORS IN JAPAN – COVERAGE – EMERGENCY PHONE NUMBERS

The Largest Mobile Network Operators in Japan

In Japan, there are 3 largest mobile network operators: NTT Docomo, au by KDDI, and SoftBank. These are the most popular choices for locals, international students, and tourists thanks to their wide coverage, high internet speeds, and diverse plans.

1. NTT Docomo

NTT Docomo is the oldest and largest network operator in Japan. Docomo stands out with its wide coverage across the country, from major cities like Tokyo, Osaka, Kyoto to rural areas, mountains, and remote islands. Docomo offers many flexible plans, high-speed internet services (4G/5G), and tourist SIMs that are easy to buy at airports, train stations, or convenience stores.

2. au by KDDI

au by KDDI is a network operator famous for its fast and stable internet service, especially in urban areas and big cities. au frequently has promotions and special offers for tourists and international students. au stores are easy to find in shopping malls, major train stations, and airports.

3. SoftBank

SoftBank is an ideal network operator for users who need to use a lot of data and international services. SoftBank has strong coverage in major cities, famous tourist attractions, and good support for international customers. SoftBank also offers many prepaid and postpaid plans and tourist SIMs with simple registration procedures.

Network Coverage in Japan

NTT Docomo

NTT Docomo is the network operator with the widest coverage in Japan, ensuring stable connectivity in most major cities, tourist areas, mountainous regions, and remote islands. This is the best choice for tourists or people who travel frequently throughout Japan.

au by KDDI & SoftBank

au by KDDI and SoftBank have strong coverage in major cities such as Tokyo, Osaka, Yokohama, Sapporo, Fukuoka,... In remote areas or mountains, the signal quality may not be as stable as Docomo but still meets basic needs.

Emergency Phone Numbers in Japan

When traveling or living in Japan, you should save the following emergency phone numbers to ensure your safety:

• Police: 110
• Fire, Ambulance: 119
• Tourist Information (JNTO):050-3816-2787 (English support, 24/7)

These emergency numbers operate 24/7 nationwide and have English support in major tourist areas.