How to Call International from India: Complete Guide 2026
Learn how to make international calls from India. Dialing format, ISD codes, cheapest calling methods, and free calling apps compared.

Want to know how to call international numbers from India? This 2026 guide covers everything you need to know about making overseas calls from India, including dialing formats, ISD codes, cheapest calling methods, and free calling apps.
Quick Reference: International Calls from India
India ISD Code: 00 (or +)
Format: 00 + country code + number
Example: 00 1 XXX XXX XXXX (USA)
Cheapest Method: VoIP Apps
Free Option: WhatsApp Calls
Popular Destinations: USA, UK, UAE, Canada
How to Dial International from India
International Dialing Format
00 + country code + area code + phone numberOr from a mobile phone:
+ country code + area code + phone numberTip: On mobile phones, press and hold 0 to get the + symbol. This works internationally and is easier to remember.
Popular Destinations from India
| Country | Code | Dial from India |
|---|---|---|
| United States | 1 | 00 1 XXX XXX XXXX |
| United Kingdom | 44 | 00 44 XX XXXX XXXX |
| UAE | 971 | 00 971 X XXX XXXX |
| Canada | 1 | 00 1 XXX XXX XXXX |
| Australia | 61 | 00 61 X XXXX XXXX |
| Saudi Arabia | 966 | 00 966 X XXX XXXX |
Methods to Make International Calls from India
VoIP Apps (Cheapest)
RecommendedApps like BubblyPhone offer the lowest rates for international calls. Call any landline or mobile worldwide at a fraction of carrier costs.
WhatsApp / Messenger (Free)
Free unlimited calls to other app users. The most popular method in India but only works if both parties have the app.
Mobile Carrier ISD
Direct international calls through Airtel, Jio, Vi carriers. Convenient but usually the most expensive option.
International Calling Cards
Prepaid cards available at shops. Dial access number first, then the international number. Rates vary widely.
Cost Comparison: Calling USA from India
| Method | Rate per Minute | 10 Min Call |
|---|---|---|
| Carrier ISD (Airtel/Jio) | ₹5-15/min | ₹50-150 |
| BubblyPhone | ~₹1/min | ~₹10 |
| WhatsApp (app-to-app) | Free | Free* |
*Requires both parties to have WhatsApp and internet connection
Tips for Cheap International Calling
Use WiFi Calling
VoIP apps work best on WiFi. This saves mobile data and often provides better call quality.
Check Time Zones
India is UTC+5:30. Check the time at your destination before calling to avoid disturbing people at odd hours.
Avoid Roaming Charges
If abroad, use WiFi calling instead of roaming. Roaming international calls are extremely expensive.
Use + Instead of 00
The + prefix works worldwide and is easier to remember than different country exit codes.
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