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Country Code Reference

Every ISO 3166-1 country with its alpha-2, alpha-3 and numeric codes, its region and its international dialling code.

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Codes follow ISO 3166-1 and the dialling prefixes come from the international telephone numbering plan.

How to use the Country Code Reference

  1. Type a country name or any code in the search box to narrow the table.
  2. Filter the list by region with the selector next to the search box.
  3. Read the alpha-2, alpha-3, numeric and dialling codes for the country you need.

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Frequently Asked Questions

Common questions about the free online country code reference.

It is a standard identifier for a country or territory, published as a two letter code, a three letter code and a number.
Alpha-2 codes are two letters and appear in most software, while alpha-3 codes use three letters and are common in finance.
It is a three digit code assigned by the United Nations and used in statistics and in some data interchange formats.
It is the international telephone prefix for a country, used after the plus sign when calling from abroad.
Several territories use the same country calling code, and they are then distinguished by the following area or operator code.
No. This table covers the country level codes. Subdivision codes such as ISO 3166-2 are defined in a separate standard.
Dependencies and special areas often receive their own codes so that data can be attributed to them without ambiguity.
Yes. Use the region selector together with the search box to narrow the table to one continent or to a code prefix.
It follows the current ISO 3166-1 listing, including the official English short names used by the United Nations.
Yes. The reference is free and needs no account or registration.

Last updated: October 10, 2026