How International Calling Codes Work: A Complete Guide
July 29, 2026
Learn how country calling codes are assigned by the ITU, what exit codes are, and how the North American Numbering Plan (NANP) works. Master international dialing in minutes.
Area Code Lookup Blog
International calling guides, tips, and area code insights.
Understanding US Area Codes: History, Overlays, and Future
July 29, 2026
The United States has over 300 area codes across 50 states. Learn why some states have many codes while others have just one, and what area code overlays mean for your phone number.
How to Save Money on International Calls in 2026
July 29, 2026
International calling doesn't have to be expensive. Discover the best VoIP apps, calling cards, and carrier plans to make affordable international calls from the US and abroad.
The +1 Country Code: More Than Just the United States
July 29, 2026
Did you know that +1 is shared by 24 countries and territories? Learn about the North American Numbering Plan and which countries share the +1 country code.