Calling NTT Docomo from Overseas

If you are outside Japan and need help with your Docomo service, call the overseas inquiries line below. A call costs $0.04 / minute from 002call.

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Overseas inquiries from abroad

Calling from a Docomo phone abroad

1. Call +81 3 6832 6600 from your Docomo mobile. Docomo lists this call as toll free from a Docomo phone.
2. Expect guidance in Japanese. Docomo's page says the overseas line is served in Japanese.

Calling from a landline or another phone abroad

1. Dial your country's international call access number first.
2. Then dial +81 3 6832 6600. Docomo's page says charges apply on this route.

Best time to call

The line is open from 9 a.m. to 8 p.m. JST, every day. Japan does not change its clocks, so the window is 00:00 to 11:00 UTC all year.

What to have ready

• Your Docomo phone number and the question you need answered, written down in a few words.
• A translation app open on your phone if you do not read Japanese, since the line is served in Japanese.

Frequently asked questions

Can I call from a mobile? Yes. From a Docomo mobile, Docomo lists the call as toll free. From another mobile or a landline, charges apply.

What hours is the line open? 9 a.m. to 8 p.m. JST, every day of the year.

Is the line in English? Docomo's page says guidance on the overseas line is in Japanese.

Rate note

Using 002call, calls to +81 3 6832 6600 cost $0.04 / min.

Calls from mobiles, public phones and hotel rooms may attract extra charges.

Direct Cost Comparisons for Calling Options

Breakdown of Providers

Calls to Japan from overseas can cost more than expected.

• Carrier roaming: $0.50 - $2.00 / min, depending on the carrier, plus monthly and hidden charges.
• Hotel room phones: these often add administrative markups.
• 002call: $0.04 / min.

Why 002call is the smart way to call

002call places the call over the internet from your browser, so it skips the international call charges that a carrier or hotel phone adds. It is one flat rate with no subscription, and Wi-Fi keeps mobile data charges off the call. A 20-minute call costs $0.80 at $0.04 / min.

Number and hours from NTT Docomo's English overseas service page (docomo.ne.jp/english/service/world/seek-information/), checked 17 October 2026. Docomo's general inquiries page was also checked the same day. 002call's rates come from its published rate table, checked 17 October 2026.