Docomo Voice & Data SIM Cards Japan

Get comprehensive connectivity in Japan with our Docomo Voice and Data SIM cards. Perfect for expats, students, and travelers who need both high-speed internet and a local Japanese phone number on the country's largest network.

Key Benefits:

  • Complete Communication: Enjoy reliable 4G/5G data paired with crystal-clear voice calling capabilities.
  •  Local Japanese Number: Essential for setting up bank accounts, signing leases, receiving OTPs, or making restaurant reservations.
  • Unmatched Nationwide Coverage: Stay connected everywhere from major metropolitan hubs to rural areas, powered by NTT Docomo's premium infrastructure.

Browse our Docomo Voice and Data plans below to find the ultimate all-in-one connectivity solution.

Docomo Voice & Data SIM Cards Japan

Voice SIM (Docomo) — FAQ

Common questions about getting a Japanese phone number.

Voice SIM vs Data SIM — what's the difference?

Voice SIM: Japanese phone number + calls + SMS + data. Data SIM: internet only, no phone number. Need a number for banks/apps/jobs? Get Voice SIM.

Why do I need a Japanese phone number?

Required for: bank accounts (SMS verification), PayPay/LINE/Mercari, apartment contracts, job applications, utilities, delivery notifications. Without one, daily life is significantly harder.

What ID do I need?

Residence Card (在留カード) or passport with registered Japanese address. Verified online via eKYC — photo of ID + selfie, no office visit.

Can tourists get a Voice SIM?

Generally no — Japanese law requires a registered address. Tourists should use eSIM or Pocket WiFi for internet.

What call packages are available?

All plans include a number. Add: Free first 5/10/15 minutes, or Unlimited calls. The 50GB + Unlimited Calls plan includes unlimited calling by default.

Can I use this number for banking?

Yes. Real Japanese mobile number (090/080/070) works with all banks and services: Mizuho, MUFG, SMBC, Rakuten Bank, PayPay, Wise, Revolut Japan.

Which network?

NTT Docomo — Japan's largest carrier, 99.9% coverage including rural areas, mountains, and remote islands.

How long does activation take?

Order → eKYC (1–2 days) → shipping (1–3 days) = 3–5 business days total. Faster than visiting a carrier store.

Can I keep my number if I change plans?

Yes. Upgrade or downgrade, same number stays. No new SIM needed.

What is the cheapest option?

200kbps + Call Number: ¥4,980 initial, only ¥980/month. Real number + basic data for messaging and email.

Can I receive international calls?

Yes. Your Japanese number receives calls from anywhere. For outgoing international calls, use WhatsApp/LINE over data for cheaper rates.