International Calling Codes - South America Phone Prefixes

📞 How to Dial International Phone Numbers - Complete Guide

An international calling code (also called country code or IDD code) is a numerical prefix required when dialing telephone numbers outside your home country. These codes are standardized by the International Telecommunication Union (ITU) and enable the global telephone network to route calls correctly across borders. Every country has a unique calling code ranging from 1 digit (like +1 for USA/Canada) to 4 digits (like +1-684 for American Samoa).

📱 Step-by-Step International Dialing Instructions

1. Dial the Exit Code (also called international access code or dialing prefix)
   • Most countries use 00 (Europe, Asia, Africa)
   • USA/Canada use 011
   • Mobile phones can use + instead (works everywhere)
2. Dial the Country Code of the destination
   • 1-4 digits identifying the country (e.g., 44 for UK, 91 for India, 86 for China)
3. Dial the Area Code (without the leading zero if present)
   • Remove the first 0 from area codes in most countries
4. Dial the Local Phone Number
   • Complete subscriber number

💡 Practical Dialing Examples

🌍 Understanding Exit Codes (Dialing Prefixes)

The exit code is the prefix you dial to indicate you're making an international call. Different countries use different codes:

💰 Cost-Saving Tips for International Calls

• Use VoIP Services: Skype, WhatsApp, Zoom, Microsoft Teams offer low-cost or free international calls
• International Calling Cards: Pre-paid cards often cheaper than direct carrier rates
• Mobile Apps: Viber, WhatsApp, FaceTime Audio for free calls over WiFi/data
• Check Time Zones: Call during off-peak hours for lower rates (see our timezone tool)
• Bundle Plans: Many carriers offer international calling packages
• Callback Services: Services that call you first can reduce costs

📱 Mobile vs Landline Dialing

When dialing from mobile phones, you can almost always use the + symbol (press and hold the 0 key) instead of your country's exit code. This makes international dialing universal - +44 20 1234 5678 works from anywhere in the world to reach London. For landlines, you must use your country's specific exit code (00 or 011).

💡 Pro Tip: Always save international contacts in your phone with the + format (+country code + number) so they work regardless of which country you're calling from. This is especially useful for frequent travelers and international business professionals.