How to Call International Numbers from US
Want to know how to call international numbers from US without paying $0.50 to $3 per minute? This guide covers carrier options from AT&T, Verizon, and T-Mobile, plus a browser-based alternative that can reduce costs by up to 90%. For a broader overview of all methods to call abroad cheap, see our complete guide. See also our guides for calling from India or the Philippines.
Cheapest Way to Make International Calls from the US
HelloAirDial (Browser-Based VoIP)
- ✓ Call Mexico, India, UK, Philippines, China, and 200+ countries from the US at local VoIP rates.
- ✓ No international calling plan or carrier add-on required.
- ✓ Works on any device with a browser and internet connection.
- ✓ First call is free so you can test quality before adding balance.
Cost Comparison: VoIP vs Carrier Rates
- $1.00-3.00/min to most countries
- Mexico and Canada: $0.35-1.00/min
- International Day Pass: $10/day for unlimited calls to 210+ countries
- $0.05-2.99/min depending on destination
- International Calling Plan: $15/month for discounted rates
- Canada and Mexico included free on most plans
- Other countries: $0.25-3.00/min
- Stateside International Talk: $15/month add-on
A 10-minute call to India costs $10-30 via carrier rates but only $0.10-0.50 via HelloAirDial. That is up to 95% savings.
Why are carrier international rates so expensive? US carriers charge premium rates for international connections through traditional telephone networks. Even with monthly add-on plans ($10-15/month), you are still paying more than VoIP rates and committing to a subscription.
Requirements for VoIP Calling
- Any device with a web browser (phone, laptop, tablet)
- Internet connection (WiFi or cellular data)
- Microphone (built-in works fine)
With HelloAirDial, you can skip expensive carrier international plans and make calls directly from your browser at local VoIP rates.
Free Ways to Call International Numbers from the US
WhatsApp, FaceTime, and Google Voice (100% Free)
Limitation: For most apps, both you and the recipient must have the same app installed with an active internet connection. These apps cannot call regular landlines or mobile numbers directly (except Google Voice, which charges for international).
HelloAirDial Free Trial (Call Any Phone)
How to Dial International Numbers from the US
International Dialing Format from the US
011 + country code + area code + phone number. On a mobile phone, you can also use the + symbol instead of 011.For example, to call UK:
011-44-20-7946-0958 or +44 20 7946 0958. To call Mexico: 011-52-55-1234-5678 or +52 55 1234 5678.Note: Calls to Canada use the same format as domestic calls (1 + area code + number) since Canada shares the +1 country code with the US.
International Dialing Codes from the US
Country Code Examples
- Mexico: +52 (e.g., +52 55 1234 5678)
- UK: +44 (e.g., +44 20 7946 0958)
- India: +91 (e.g., +91 98765 43210)
- Philippines: +63 (e.g., +63 2 8123 4567)
- China: +86 (e.g., +86 10 1234 5678)
- Germany: +49 (e.g., +49 30 1234 5678)
- Japan: +81 (e.g., +81 3 1234 5678)
- Australia: +61 (e.g., +61 2 9876 5432)
Common Mistakes to Avoid
- Forgetting to dial 011 or + before the country code
- Including the leading 0 from foreign area codes (London is 20, not 020)
- Dialing 1 before non-Canadian international numbers
- Using wrong number of digits (varies by country)
- Paying carrier rates when WiFi calling is available
Why Use HelloAirDial from the US
- First Call Free: Try before you pay anything
- No International Plan Required: Works independently of your carrier
- Call Any Number: Landlines and mobiles worldwide
- Works in Browser: Chrome, Safari, Firefox, or Edge
- Pay As You Go: No subscriptions or minimum balance
Frequently Asked Questions
How can I call international numbers from the US for free?
For completely free calls, use WhatsApp, FaceTime, or Google Voice (US/Canada only), but the recipient must have the same app installed. To call any phone number including landlines, HelloAirDial offers a free first call.
Can I call Mexico from the US without an international plan?
Yes. HelloAirDial works over the internet and does not require any carrier international plan. Just open the website, enter the Mexican number with +52, and call. The recipient gets a normal phone call. No carrier settings or add-ons needed.
What is the cheapest way to call internationally from the US?
Browser-based VoIP services like HelloAirDial offer the lowest rates because calls route over the internet instead of traditional phone networks. Rates start from $0.01/min. If both parties have the same app, WhatsApp or FaceTime calls are completely free.
Do I need to install any app?
No. HelloAirDial works directly in your web browser. Just visit the website and start calling.
Does the person I am calling need internet?
No. They receive a standard phone call on their regular landline or mobile.
How do I dial an international number from my US phone?
Dial 011 followed by the country code and phone number. On a mobile phone, you can also press and hold 0 to get the + symbol, then enter the country code and number. For example, to call the UK: 011-44-20-1234-5678 or +44 20 1234 5678.
Can I use my US number as caller ID?
Yes. You can verify your US phone number as caller ID for a one-time fee of $0.50. Recipients will then see your real number when you call.