Buying a SIM Card in Tokyo for Travelers 2024: Guide from Locals

Finding a SIM card in Tokyo can be confusing for travelers, but this guide will make it simple and stress-free.

where to buy sim card in tokyo

Are you planning a trip to Tokyo and need a reliable SIM card in Tokyo for smooth internet access? This guide is perfect for travelers looking to stay connected without overpaying or getting lost in translation. From the best carriers to insider tips, you’ll discover everything you need to know to grab the perfect SIM card and avoid common tourist pitfalls.

I. Why Buy a SIM card in Tokyo?

When traveling to Tokyo, getting a local SIM card in Tokyo is the easiest way to stay connected.

Here’s why:

  • Cost-effective: Local SIM cards are cheaper than roaming and often offer great data packages.
  • Reliable connectivity: Enjoy Japan’s excellent mobile networks wherever you go.
  • Convenience: No need to carry or charge extra gadgets like pocket Wi-Fi.

Compared to free Wi-Fi, which is limited and insecure, or roaming, which can be pricey, a SIM card is the smartest choice for good internet access.

II. Which mobile internet carrier is the best in Tokyo?

When selecting a mobile internet carrier in Tokyo, NTT Docomo is often considered the top choice due to its extensive coverage, high-speed connectivity, and reliable service.

Tokyo’s mobile network landscape features 4 major operators:

  • NTT Docomo
  • au by KDDI
  • SoftBank
  • Rakuten Mobile

Below is a comparison of these operators based on key criteria:

OperatorCoverageDownload SpeedUpload SpeedReliabilityTourist Plans
NTT Docomo9.1/1048.2 Mbps7.0 Mbps80.80%Prepaid SIMs with extensive data options.
au by KDDI8.1/1054.7 Mbps8.5 Mbps84.40%Affordable prepaid plans with good coverage.
SoftBank6.8/1043.3 Mbps8.6 Mbps82.90%Data-heavy plans suitable for tourists.
Rakuten Mobile7.1/1041.4 Mbps17.2 Mbps80.90%Limited tourist options, best for locals.

Coverage and speed data are based on the Opensignal Japan Mobile Network Experience Report, October 2024.

Key Insights:

  • NTT Docomo offers the most balanced coverage and reliability, making it the top choice.
  • au by KDDI excels in download speed and reliability, ideal for high-speed needs.
  • SoftBank provides competitive reliability with better upload speeds.
  • Rakuten Mobile is emerging but has limited options for tourists.

III. Best Tokyo SIM Card Plans and Price

Good to know: 1.000 JPY = 6.48 USD (October 2024)

Tokyo SIM cards cost between $8.48 and $178, offering options for all travelers. Below are the comprehensive Tokyo SIM plans. 

CarrierPlan NameData AllowanceValidityPrice (USD)Additional Features
NTT DocomobMobile5-7 GB LTE/3G10-21 days$13 – $20Reliable data; no voice or SMS.
eConnect Japan5-10 GB 4G/LTE/3G30 days$32 – $46High-speed internet; perfect for tourists.
Sakura MobileUnlimited8-90 days$33 – $178Excellent for long-term stays.
IIJmio1-2 GB 4G/LTE30 days – 3 months$13 – $20Compact data plans for casual users.
au by KDDIMineo5 GB30 days$8.48Cheapest data-only plan; no calls or SMS.
10 GB30 days$11.43Mid-range option for moderate data needs.
20 GB30 days$12.91Affordable high-data plan for tourists.
Nuro (VS Plan)3 GB30 days$4.20Super affordable, small data plan.
5 GB30 days$5.53Budget-friendly mid-range plan.
10 GB30 days$8.85Great value for heavy data users.
SoftBankPrepaid SIM500 MB7 days$25Includes 100 mins local calls and texts.
Prepaid SIM1.5 GB14 days$30Includes 200 mins local calls and texts.
Prepaid SIM3 GB30 days$40Includes 300 mins local calls and texts.
Rakuten MobileStarter Plan1 GB30 days$12Ideal for minimal data use.
Standard Plan3 GB30 days$18Good balance of price and data.
Generous Plan8 GB30 days$24Suitable for heavier data needs.
Power PlanUnlimited30 days$30Best for unlimited, uninterrupted data access.

Recommendation for Tourists:

  • Budget Travelers: Nuro’s 3 GB plan ($4.20) or Mineo’s 5 GB plan ($8.48) offer excellent value for short-term stays.
  • Moderate Data Users: Rakuten’s Standard Plan (3 GB for $18) or SoftBank’s 1.5 GB 14-day plan ($30) provide balanced options.
  • High Data or Long Stays: Sakura Mobile’s Unlimited Plan ($33-$178) or Rakuten’s Power Plan ($30) are ideal for extended usage.

IV. Where to Buy SIM Card in Tokyo?

You can buy a SIM card at two main places: Tokyo airports and city center locations. Here’s what you need to know:

1. Buy a SIM Card at Tokyo Airports

  • Where: Narita International Airport (NRT) and Haneda Airport (HND).
    • Narita: Available at 7-Eleven stores in Terminals 1, 2, and 3, or vending machines.
    • Haneda: Available at SIM vending machines and counters in international terminals.
  • What to Prepare:
    • Unlocked phone.
    • Passport (required at some counters).
  • Pros & Cons: Easy and quick, with 24/7 options, but prices are higher, and choices are limited.
buy sim card at tokyo airport

2. Buy a SIM Card in Tokyo City Center

  • Where:
    • Official Stores: NTT Docomo, SoftBank, or AU in areas like Shibuya and Shinjuku.
    • Convenience Stores: 7-Eleven, FamilyMart, and Lawson.
    • Online: Amazon Japan, or local websites with delivery options.
  • What to Prepare:
    • Unlocked phone.
    • Passport (if buying at official stores).
  • Pros & Cons: More options and better prices, but finding stores takes time, and language barriers may occur.

V. Japan eSIM for Tokyo – Alternative to SIM Card for Travelers

japan esim gigago

To tackle these 2 mentioned problems, you should buy a Japan eSIM because it saves you time finding a place to buy a SIM card and eliminates complicated buying processes. 

For Japan, Gigago offers multiple data plan options, starting from 1GB/day for 5 days with $7.50 . What is great about Gigago’s Japan eSIM is that its plans’ costs are diversifying, varying between $7.50$88.50 .

Thus, it does not matter how many Internet users you are or how long your trip to Japan is; with Gigago, you always have an option.

VI. What to Prepare to Buy SIM card in Tokyo

To purchase a SIM card in Tokyo, ensure you have the following:

  • Unlocked Phone: Ensure your phone is unlocked.
  • Passport: Needed for SIM registration.
  • Payment: Carry cash (JPY) or an international credit card.
  • SIM Size: Know your phone’s required size (nano, micro, or standard).
  • APN Settings: Be ready to configure APN manually.
  • Language Help: Look for stores with English support if needed.

VII. Extra Tips when Buying SIM card in Tokyo

Here are extra tips for buying a SIM card in Tokyo:

  • Opt for Data-Only Plans: These are cheaper and don’t need much documentation.
  • Use Vending Machines: Quick and easy to access at airports, available 24/7.
  • Choose Short-Term Plans: Perfect for trips lasting a few days or weeks.
  • Activate with Wi-Fi: Some SIMs need activation or APN setup using Wi-Fi.
  • Try eSIMs: Buy online for instant connectivity without visiting stores.

VIII. FAQs about SIM Card in Tokyo

Can I buy a SIM card at Tokyo’s airports? 

Yes, both Narita and Haneda airports have SIM card vending machines and counters where you can purchase a card immediately upon arrival.

Can I use my foreign phone with a Japanese SIM card? 

You can use a SIM card if your phone is unlocked and compatible with Japanese network frequencies.

Where can I buy a SIM card in central Tokyo?

SIM cards are available at electronics retailers like Bic Camera and Yodobashi Camera, as well as convenience stores such as 7-Eleven and FamilyMart.

Can I make voice calls with a data-only SIM card in Tokyo?

Data-only SIM cards do not support traditional voice calls but can be used with VoIP services like Skype or WhatsApp.

IX. Conclusion

I hope you find this post helpful in navigating your options for buying a SIM card in Tokyo. Staying connected is essential for a smooth travel experience, and this guide equips you with all the information needed to make the best choice. Enjoy your trip and smooth connectivity in Tokyo!