How to Call Japan from United Kingdom
Learn how to call from United Kingdom to Japan with this step-by-step guide. Rates start at just $0.09/min with HelloAirDial. No apps, no calling cards, just dial from your browser.
Cheapest Way to Call Japan from United Kingdom
The cheapest way to call Japan from United Kingdom is using a browser-based VoIP service like HelloAirDial. With rates starting at just $0.09 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: $0.09/min with no hidden fees
HelloAirDial: How to call from United Kingdom to Japan
HelloAirDial lets you make cheap international calls from United Kingdom to Japan directly from your browser. No apps, calling cards, or carrier plans needed.
- ✅ Call any phone in Japan - mobile or landline from $0.09/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 United Kingdom to Japan starting at $0.09/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 $0.09/min
- • No hidden fees or contracts
- • Works anywhere with internet
United Kingdom Carrier Rates to Japan
- EE$0.20-2.00
- Vodafone UK$0.15-2.50
- O2 UK$0.15-2.00
Compare this to HelloAirDial at $0.09/min. See full rate breakdown →
Best Time to Call Japan
Recommended Calling Hours
- • For consumers, avoid calls before 09:00 and after 20:00 local time, and avoid Sundays and national holidays for sales calls.
- • For business contacts, standard hours are roughly 09:00 to 18:00 on weekdays; avoid lunchtime around 12:00 to 13:00.
Calling Etiquette in Japan
- • Open with a polite greeting and your name/company; for business, confirm you are calling the right person and if it is a good time.
- • Use family name plus san (e.g., Tanaka san) in professional contexts unless invited to use given names.
- • Be concise and structured; state purpose early, avoid aggressive sales tactics, and allow the other party to decline.
- • Silence while listening is normal; avoid interrupting and confirm understanding briefly.
Reaching Japan via Apps
- • LINE is the dominant messaging and calling app; many people prefer it over voice calls from unknown numbers.
- • WhatsApp, Skype, FaceTime, and other VoIP apps are available but less universal than LINE for local contacts.
- • Corporate users may rely more on Microsoft Teams, Zoom, or similar tools for scheduled business calls.
International Calling Requirements in United Kingdom
- • Enable international calling with your mobile or landline provider; some plans block IDD by default
- • Use 00 or + before the destination country code when dialing abroad
- • Prepaid SIMs may require sufficient balance or an international add on before IDD works
- • Roaming must be activated to call from the UK while abroad; check EU and non EU rules
- • Business lines may have international prefixes or specific destinations restricted by the administrator
Troubleshooting Calls to Japan
- Call failed or number not in service when dialing abroad - Check you used 00 or +, included the correct country code, and removed any local leading 0
- Your plan does not allow international calls - Contact your UK carrier to enable IDD or buy an international add on; ensure sufficient credit on prepaid
- Cannot call while roaming - Enable roaming in phone settings and on your account, or use Wi Fi calling or VOIP instead
FAQs: Calling Japan from United Kingdom
How do I call Japan from United Kingdom?
Dial 00 (exit code) + 81 (Japan country code) + the local phone number. Drop the leading 0 from local numbers. With HelloAirDial, just enter the number and we handle the formatting automatically.
What is the best way to call Japan from United Kingdom?
Use a browser-based VoIP service like HelloAirDial with rates from $0.09/min. This is typically 50-80% cheaper than traditional carriers or calling cards, and you can call directly from your browser.
Can I call Japan mobiles and landlines from United Kingdom?
Yes, HelloAirDial supports calls to both mobile phones and landlines in Japan. Rates may vary slightly between mobile and landline numbers.
What time should I call Japan from United Kingdom?
Check the time difference between United Kingdom and Japan before calling. For business calls, aim for 9 AM - 6 PM in Japan. For personal calls, evenings and weekends work best.
How do I dial an international number from the UK?
Dial 00 or +, then the country code, then the area or mobile code without its leading 0, then the local number.
Should I use roaming or Wi Fi or VOIP when abroad as a UK user?
Roaming is convenient but can be costly; using Wi Fi calling or VOIP apps usually reduces costs, especially outside Europe.
Related Guides
United Kingdom Resources
Dialing steps when using your own phone
- 1
Dial the exit code: 00
This tells your carrier you're making an international call from United Kingdom.
- 2
Dial Japan's country code: 81
The country code for Japan is +81.
- 3
Dial the local number
Drop the leading 0 from local numbers.
Examples:
- Mobile: 090 1234 5678
- Landline: 03 1234 5678
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