What Country Uses Country Code 1? Understanding the North American Numbering Plan

Discover which countries use country code 1 and learn about the North American Numbering Plan in this quick explainer.

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Country code 1 is assigned to the United States and Canada. This code is part of the North American Numbering Plan (NANP). If you see this code, the call or message is originating from one of these countries.

FAQs & Answers

  1. Which countries use the country code 1? Country code 1 is used by the United States, Canada, and other member countries of the North American Numbering Plan (NANP).
  2. What is the North American Numbering Plan (NANP)? The NANP is a telephone numbering system that serves 20 regions in North America, including the U.S., Canada, and several Caribbean countries, all sharing country code 1.
  3. Can a phone number with country code 1 come from outside the U.S. or Canada? Yes, other countries within the NANP, such as some Caribbean nations, also use country code 1.

Watch More

For more insights into international country codes and phone numbering systems, check out our videos on global dialing codes and how to identify call origins around the world.

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