How to Call United Kingdom from United States
Learn how to call from United States to United Kingdom with this step-by-step guide. Rates start at just $0.01/min with HelloAirDial. No apps, no calling cards, just dial from your browser.
Cheapest Way to Call United Kingdom from United States
The cheapest way to call United Kingdom from United States is using a browser-based VoIP service like HelloAirDial. With rates starting at just $0.01 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: $0.01/min with no hidden fees
HelloAirDial: How to call from United States to United Kingdom
HelloAirDial lets you make cheap international calls from United States to United Kingdom directly from your browser. No apps, calling cards, or carrier plans needed.
- ✅ Call any phone in United Kingdom - mobile or landline from $0.01/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 States to United Kingdom starting at $0.01/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 $0.01/min
- • No hidden fees or contracts
- • Works anywhere with internet
United States Carrier Rates to United Kingdom
- Verizon$0.20-1.50
- AT&T$0.25-1.50
- T-Mobile$0.10-1.00
Compare this to HelloAirDial at $0.01/min. See full rate breakdown →
Best Time to Call United Kingdom
Recommended Calling Hours
- • For consumer marketing, avoid calling before 09:00 or after 20:00 UK time on weekdays
- • Avoid unsolicited calls on Sundays and UK public holidays unless there is a prior agreement
Calling Etiquette in United Kingdom
- • Open with a polite greeting and your name and organisation, then confirm if it is a good time to talk
- • For business calls, be punctual and keep to scheduled times; short notice rescheduling should be explained
- • Use a professional, calm tone; avoid overly aggressive sales tactics or repeated callbacks
- • If the call is recorded or monitored, state this clearly at the start
Reaching United Kingdom via Apps
- • WhatsApp, FaceTime, Zoom and similar apps are widely used in the UK for personal and business calls
- • Most UK users have reliable mobile data or broadband, but confirm Wi Fi availability for longer VOIP calls
- • Some corporate environments may restrict external VOIP apps, so provide a fallback dial in number
International Calling Requirements in United States
- • Ensure your mobile or landline plan includes international calling; many US plans block IDD by default.
- • For standard international calls, dial 011 + country code + area/mobile code + number from US phones.
- • Prepaid SIMs may require a separate international balance or add on before IDD works.
- • Business PBX or office phones may require dialing 9 or another access code before 011.
- • VoIP services (e.g., Skype, Google Voice) may need verified payment and country settings before calling abroad.
Troubleshooting Calls to United Kingdom
- Your call cannot be completed as dialed. - Check that you dialed 011 + country code + number, removed any foreign trunk 0, and included all digits.
- International calling is not enabled on your line. - Contact your carrier or account admin to enable international calling or add an IDD package.
- The number you have dialed is not in service. - Verify the destination country code, area or mobile prefix, and local number; confirm the number is active.
- Call failed or dropped immediately on VoIP app. - Switch to a stable Wi Fi or stronger data connection, update the app, or try a standard carrier call.
FAQs: Calling United Kingdom from United States
How do I call United Kingdom from United States?
Dial 011 (exit code) + 44 (United Kingdom 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 United Kingdom from United States?
Use a browser-based VoIP service like HelloAirDial with rates from $0.01/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 Kingdom mobiles and landlines from United States?
Yes, HelloAirDial supports calls to both mobile phones and landlines in United Kingdom. Rates may vary slightly between mobile and landline numbers.
What time should I call United Kingdom from United States?
Check the time difference between United States and United Kingdom before calling. For business calls, aim for 9 AM - 6 PM in United Kingdom. For personal calls, evenings and weekends work best.
How do I dial an international number from the United States?
Dial 011, then the country code, then the area or mobile code and local number. Example: 011 44 20 XXXX XXXX for a UK landline.
Should I use roaming or Wi Fi or VoIP when I travel outside the US?
Wi Fi and VoIP apps are usually cheaper, but a roaming pass from your US carrier is simpler and more reliable for regular voice and SMS.
Related Guides
United Kingdom Resources
United States Resources
Dialing steps when using your own phone
- 1
Dial the exit code: 011
This tells your carrier you're making an international call from United States.
- 2
Dial United Kingdom's country code: 44
The country code for United Kingdom is +44.
- 3
Dial the local number
Drop the leading 0 from local numbers.
Examples:
- Mobile: 07 912 345 678
- Landline: 020 7946 0018
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