How to Call UK from USA: 8 Best Methods (Free & Cheap)
Complete guide to calling UK from USA in 2025. Compare free and paid options, learn dialing format, time zones, and save 99% on calls. Rates from $0.01/min.
Looking to call the UK from the USA? Whether you're connecting with family in London, doing business in Manchester, or staying in touch with friends across the pond, finding an affordable and reliable way to make international calls is essential. This comprehensive guide shows you 8 proven methods to call the United Kingdom, from completely free options to ultra-cheap paid services starting at just $0.01/minute.
⚡ Quick Answer
How to Dial UK from USA
Standard Format from USA to UK:
UK Area Codes Quick Reference
| City | Area Code | Landline Format | Notes |
|---|---|---|---|
| London | 20 | +44 20 XXXX XXXX | 8-digit local numbers |
| Manchester | 161 | +44 161 XXX XXXX | 7-digit local numbers |
| Birmingham | 121 | +44 121 XXX XXXX | 7-digit local numbers |
| Edinburgh | 131 | +44 131 XXX XXXX | 7-digit local numbers |
| Glasgow | 141 | +44 141 XXX XXXX | 7-digit local numbers |
| All UK Mobiles | 7xxx | +44 7XXX XXX XXX | 10 digits, starts with 7 |
8 Best Ways to Call UK from USA
1. BubblyPhone - Best Overall Value
BubblyPhone offers the best combination of price and convenience for calling the UK. At just $0.01/minute to both UK mobile and landline numbers, it's 99% cheaper than traditional carriers. Your contacts in the UK don't need to install any app.
- 1. Visit BubblyPhone.com in your browser
- 2. Buy credits (starting from $5 = 500 minutes)
- 3. Enter UK phone number with +44
- 4. Click call - works instantly in Chrome, Safari, Edge
- • Cheapest paid option at $0.01/min
- • Crystal clear HD voice quality
- • No app installation needed
- • Works on any device with browser
- • Same rate for mobiles and landlines
- • No subscription required
- • Requires internet connection
- • Not completely free (but extremely cheap)
2. WhatsApp - Most Popular Free Option
WhatsApp is extremely popular in the UK with over 40 million active users. If your contacts in the UK have WhatsApp, this is an excellent free option for voice and video calls.
- • Completely free
- • Video calling included
- • Very popular in UK
- • Group calls supported
- • End-to-end encryption
- • Both parties need the app
- • Both need internet connection
- • Can't call regular phone numbers
3. Google Voice - US Residents Best Choice
Google Voice provides a free US phone number and charges $0.01/minute to call the UK (both mobiles and landlines). Only available for US residents, but offers excellent value with additional features.
- • Same low rate as BubblyPhone
- • Free US phone number
- • Voicemail transcription
- • Call forwarding
- • SMS to US numbers free
- • US residents only
- • Requires Google account
- • Setup process needed
4. Skype - Established International Service
Skype has been connecting people internationally since 2003. Rates to UK are competitive at $0.023/minute, though slightly more expensive than BubblyPhone and Google Voice.
- • Well-established service
- • Can call regular phone numbers
- • Monthly subscription options
- • Works worldwide
- • 2.3x more expensive than BubblyPhone
- • Requires account setup
- • App installation needed
5. FaceTime Audio - For iPhone Users
If both you and your contact in the UK use iPhones or Apple devices, FaceTime Audio provides excellent free calls with superior audio quality.
- • Completely free
- • Excellent audio quality
- • Built into iPhones
- • Very easy to use
- • Both need Apple devices
- • iPhone/iPad/Mac only
- • Requires internet connection
6. Facebook Messenger - Free Video Calls
Facebook Messenger is widely used in the UK. If your contacts are on Facebook, Messenger provides excellent free voice and video calls.
- • Free voice and video calls
- • Most people have Facebook
- • Works on all devices
- • Screen sharing available
- • Both need Facebook accounts
- • Requires internet connection
- • Can't call regular phone numbers
7. International Calling Cards
Traditional calling cards are still available but have become outdated due to hidden fees, expiration dates, and poor quality. Not recommended unless you have no internet access.
- • No internet required
- • Available at retail stores
- • Can use from any phone
- • Hidden fees and connection charges
- • Minutes often expire
- • Poor call quality
- • 2-10x more expensive than VoIP
8. Traditional Carriers (AT&T, Verizon, T-Mobile)
Not recommended: Traditional US carriers charge extremely high rates for international calls to UK. AT&T charges up to $3/minute, Verizon charges $2.05/minute, and T-Mobile charges $1.50/minute for pay-per-use international calling.
- • AT&T: Up to $180
- • Verizon: $123
- • T-Mobile: $90
- • BubblyPhone: Only $0.60
You could save 99.7% by using BubblyPhone instead!
Cost Comparison: Save Thousands Per Year
| Service | Rate/Min | 1 Hour | Daily 1hr (Monthly) | Annual Cost | vs. BubblyPhone |
|---|---|---|---|---|---|
| 🏆 BubblyPhone | $0.01 | $0.60 | $18 | $219 | Baseline |
| FREE | $0 | $0 | $0 | Save $219 | |
| Google Voice | $0.01 | $0.60 | $18 | $219 | Same |
| Skype | $0.023 | $1.38 | $41 | $504 | +$285 |
| AT&T International | $3.00 | $180 | $5,400 | $65,700 | +$65,481 |
| Verizon International | $2.05 | $123 | $3,690 | $44,895 | +$44,676 |
💰 Real Savings Example
Sarah from New York calls her family in London for 1 hour every day:
Understanding Time Zones: USA to UK
The United Kingdom uses Greenwich Mean Time (GMT) in winter and British Summer Time (BST, GMT+1) in summer. Here's how UK time compares to US time zones:
| US Time Zone | Hours Behind UK | When it's 9 AM in UK | When it's 9 PM in UK |
|---|---|---|---|
| Eastern (EST/EDT) | 5 hours | 4 AM | 4 PM |
| Central (CST/CDT) | 6 hours | 3 AM | 3 PM |
| Mountain (MST/MDT) | 7 hours | 2 AM | 2 PM |
| Pacific (PST/PDT) | 8 hours | 1 AM | 1 PM |
Best Times to Call UK from USA
- ✓Early Morning (USA): 7-10 AM EST = 12-3 PM UK (lunchtime, good for business)
- ✓Afternoon (USA): 2-6 PM EST = 7-11 PM UK (evening, good for personal calls)
- ✗Avoid: 10 PM - 5 AM EST = 3-10 AM UK (overnight)
8 Money-Saving Tips for Calling UK
1. Switch to VoIP Services for Massive Savings
Save 99% by switching from traditional carriers to BubblyPhone ($0.01/min) or Google Voice. The savings are enormous - you'll pay $219/year instead of $65,700/year for daily 1-hour calls.
2. Use WhatsApp for Free Personal Calls
WhatsApp is extremely popular in the UK with 40+ million users. For personal calls with family and friends who have smartphones, WhatsApp provides excellent free voice and video calls.
3. Buy Credits in Bulk
Many VoIP services including BubblyPhone offer discounts when you buy larger credit amounts. Purchasing $50+ worth of credits can save an additional 5-10%.
4. Never Use Carrier International Dialing
AT&T's "World Connect" charges $15/month + $2/minute - still 200x more expensive than BubblyPhone. Carrier "deals" are designed to look good but remain extremely overpriced.
5. Schedule Calls During UK Business Hours
For business calls, call during UK working hours (9 AM - 6 PM UK = 4 AM - 1 PM EST). This ensures you reach people and shows professional respect for their time.
6. Use WiFi for Better Call Quality
For VoIP calls with BubblyPhone or WhatsApp, WiFi typically provides better quality than mobile data. Encourage your contacts in the UK to connect to WiFi for clearer conversations.
7. Combine Free and Paid Services
Use WhatsApp for casual personal calls and BubblyPhone for calling landlines, business numbers, or people without WhatsApp. This gives you the best of both worlds.
8. Remember UK Public Holidays
UK has different public holidays than the US (Boxing Day, Early May Bank Holiday, etc.). Check UK holiday calendar before making important business calls.
Common Mistakes to Avoid
❌ Not Dropping the Leading "0"
Wrong: +44 020 7123 4567 (London)
Right: +44 20 7123 4567
UK phone numbers include a leading "0" for domestic calls, but you must drop it when calling from abroad.
❌ Using Traditional Carrier International Dialing
Calling 011-44-xxx directly from your AT&T or Verizon phone costs $2-3/minute. You're throwing away thousands of dollars per year.
Solution: Use BubblyPhone for 99% savings at $0.01/min.
❌ Ignoring Time Zone Differences
Calling at 10 PM EST means it's 3 AM in the UK. Always check the time difference before calling, especially for personal calls.
❌ Assuming All Free Apps Work
Free apps like WhatsApp only work when both parties have the app installed and internet access. For calling regular phone numbers, you need a paid service like BubblyPhone.
❌ Confusing Mobile and Landline Formats
UK mobile numbers start with 7 and don't have area codes. Landlines have area codes like 20 (London), 161 (Manchester), etc. Make sure you're using the correct format.
Frequently Asked Questions
What is the cheapest way to call UK from USA?
The cheapest paid options are BubblyPhone and Google Voice, both at $0.01/minute to UK mobile and landline numbers. For completely free calls, use WhatsApp if both parties have the app and internet connection. BubblyPhone is 99% cheaper than traditional carriers like AT&T ($3/min) or Verizon ($2.05/min).
How do I dial UK from USA?
To call UK from USA, dial: 011 + 44 + Area Code + Local Number (or use +44 instead of 011). Always drop the leading "0" from UK numbers. For example: +44 20 7123 4567 for London landline, or +44 7700 900123 for mobile.
What is UK's country code?
UK's country code is +44. When calling from USA, you dial 011 (US exit code) + 44 (UK country code) + the local number. On mobile phones, you can use +44 directly instead of 011-44.
Can I call UK for free?
Yes, you can make completely free calls to UK using WhatsApp (40M+ UK users), FaceTime Audio (iPhone to iPhone), or Facebook Messenger. However, both parties need the app installed and internet access. To call regular UK phone numbers without requiring the recipient to have an app, use affordable paid services like BubblyPhone at just $0.01/minute.
How much do AT&T and Verizon charge to call UK?
AT&T charges up to $3.00/minute for pay-per-use calls to UK. Verizon charges $2.05/minute. T-Mobile charges $1.50/minute. These rates are 150-300x more expensive than VoIP services like BubblyPhone ($0.01/min). A daily 1-hour call costs $5,400/month with AT&T vs. only $18/month with BubblyPhone - a savings of $65,481 per year.
What is the time difference between USA and UK?
The UK is 5-8 hours ahead of the US depending on your time zone: Eastern (+5 hours), Central (+6), Mountain (+7), Pacific (+8). The time difference can vary by 1 hour during DST transitions as the US and UK change clocks on different dates.
What are the major UK area codes?
Major UK area codes include: 20 (London), 161 (Manchester), 121 (Birmingham), 131 (Edinburgh), 141 (Glasgow). UK mobile numbers start with 7 and don't use area codes: +44 7XXX XXX XXX.
Why BubblyPhone is the Best Choice for Calling UK
Start Calling UK for $0.01/min
Save 99% compared to AT&T, Verizon, and T-Mobile
Lowest Rates
Only $0.01/minute to UK mobiles and landlines
No App Required
Your contacts receive normal phone calls - no app installation needed
Crystal Clear Quality
HD voice quality better than traditional phone calls
No subscription required • Pay as you go • Cancel anytime
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Bottom Line: For calling UK from USA, BubblyPhone offers the best combination of price ($0.01/min), convenience (no app required), and reliability. WhatsApp works great for free personal calls when both parties have internet, but for calling regular phone numbers or business contacts, BubblyPhone saves you 99% compared to traditional carriers while delivering superior call quality.