How to Call United States from Japan

Learn how to call from Japan to United States with this step-by-step guide. Rates start at just $0.02/min with HelloAirDial. No apps, no calling cards, just dial from your browser.

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Cheapest Way to Call United States from Japan

The cheapest way to call United States from Japan is using a browser-based VoIP service like HelloAirDial. With rates starting at just $0.02 per minute, you'll save 50-80% compared to traditional carriers, calling cards, or roaming charges.

Why HelloAirDial is the Cheapest Option:

✓No connection fees: Pay only for the minutes you use
✓No calling card markups: Direct carrier rates with minimal markup
✓No roaming charges: Works from anywhere with internet connection
✓Transparent pricing: $0.02/min with no hidden fees

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HelloAirDial: How to call from Japan to United States

HelloAirDial lets you make cheap international calls from Japan to United States directly from your browser. No apps, calling cards, or carrier plans needed.

✅ Call any phone in United States - mobile or landline from $0.02/min.
✅ No international calling plan or carrier activation required.
✅ Works on any device with a browser and internet connection.
✅ Try your first call free to test the quality.

Why HelloAirDial is cheaper than international mobile plans

Skip expensive carrier rates and calling cards. HelloAirDial offers cheap calls from Japan to United States starting at $0.02/minute, up to 80% less than traditional international calling.

Traditional Calling

• Carrier rates: $1-3/min
• Calling cards: Hidden fees
• Roaming: Expensive abroad

HelloAirDial

• From $0.02/min
• No hidden fees or contracts
• Works anywhere with internet

Japan Carrier Rates to United States

NTT Docomo$0.50-2.50
KDDI au$0.40-2.20
SoftBank$0.40-2.00

Compare this to HelloAirDial at $0.02/min. See full rate breakdown →

Best Time to Call United States

Recommended Calling Hours

• Telemarketing to US consumers is generally restricted to 8:00 a.m. to 9:00 p.m. local time of the called party.
• For business contacts, avoid very early morning, lunch hours, and late evening unless prearranged.

Calling Etiquette in United States

• Open with a brief greeting and your name, company, and purpose within the first few seconds.
• Confirm if it is a good time to talk, especially for sales or support calls that may take longer.
• Use clear, moderate speaking speed; avoid heavy use of jargon unless you know the listener is technical.
• For business calls, schedule in advance when possible and send a brief follow up email summarizing outcomes.

Reaching United States via Apps

• WhatsApp, FaceTime, Zoom, Microsoft Teams, and similar apps are widely used for personal and business calls.
• Many US users can receive app based calls on mobile data or Wi Fi even when traditional voice is limited.
• Some corporate networks may restrict certain apps; offer alternatives like phone dial in or browser based meetings.

International Calling Requirements in Japan

• Ensure international calling (IDD) is enabled on your mobile or fixed line; some plans block IDD by default.
• Dial carrier selection code (optional) + 010 + country code + number, or use + on mobiles.
• Prepaid SIMs may restrict IDD or require identity verification and sufficient balance before calling abroad.
• Corporate and hotel PBXs may require a prefix (often 0 or 9) before 010 or + for external lines.
• VoIP and app based calls usually only need data access; no 010 prefix or IDD option required.

Troubleshooting Calls to United States

The number you have dialed is not in service or cannot be connected. - Check that you used 010 or +, correct country code, and removed the foreign trunk 0 from the area or mobile code.
Your call cannot be completed as dialed. Please contact your operator. - Verify that international calling is enabled on your line and that no spending or destination block is active.
This service is not available from your line. - Prepaid or office lines may block IDD; use a calling card, VoIP app, or request IDD activation from the provider.

FAQs: Calling United States from Japan

How do I call United States from Japan?

Dial 010 (exit code) + 1 (United States country code) + the local phone number. Drop the leading 1 from local numbers. With HelloAirDial, just enter the number and we handle the formatting automatically.

What is the best way to call United States from Japan?

Use a browser-based VoIP service like HelloAirDial with rates from $0.02/min. This is typically 50-80% cheaper than traditional carriers or calling cards, and you can call directly from your browser.

Can I call United States mobiles and landlines from Japan?

Yes, HelloAirDial supports calls to both mobile phones and landlines in United States. Rates may vary slightly between mobile and landline numbers.

What time should I call United States from Japan?

Check the time difference between Japan and United States before calling. For business calls, aim for 9 AM - 6 PM in United States. For personal calls, evenings and weekends work best.

How do I dial an international number from Japan?

Dial optional carrier code (e.g., 0033) + 010 + country code + area or mobile code without its leading 0 + local number, or use + on mobiles instead of 010.

Is it cheaper to roam with my foreign SIM or use Wi Fi and VoIP while in Japan?

Roaming voice can be expensive; using Wi Fi or local data with apps like LINE, WhatsApp, or Skype is usually cheaper for long or frequent calls.

Related Guides

Dialing steps when using your own phone

1
Dial the exit code: 010
This tells your carrier you're making an international call from Japan.
2
Dial United States's country code: 1
The country code for United States is +1.
3
Dial the local number
Drop the leading 1 from local numbers.

Examples:

Mobile: +1 310 555 2468
Landline: +1 212 555 1357

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