Which Countries Use Country Calling Code 1? Explained

Discover which countries use the country calling code 1 and learn about the North American Numbering Plan covering the US, Canada, and more.

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The country that uses 1 as its country calling code is the United States, including territories such as Puerto Rico and the U.S. Virgin Islands. Canada also uses 1 as part of the North American Numbering Plan (NANP), making it common across multiple countries and territories in North America for direct dialing.

FAQs & Answers

  1. Which countries are included in the North American Numbering Plan? The North American Numbering Plan (NANP) includes the United States, Canada, several Caribbean countries and territories such as Puerto Rico and the U.S. Virgin Islands.
  2. Why do multiple countries share the country calling code 1? Countries and territories in North America share the calling code 1 due to the unified North American Numbering Plan, which standardizes dialing across these regions.
  3. Can I directly dial a phone number from Canada to the US using country code 1? Yes, since both Canada and the US use country code 1 under the NANP, direct dialing between these countries follows the same format.

Watch More

For more insights on international dialing codes and how phone numbering systems work worldwide, check out our related videos on global country calling codes and telecommunication standards.

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