TERM

country code

An identifier that is defined for a nation by ISO. [I3166]

Updated

Jan 06, 2026

Senses

(I)

An identifier that is defined for a nation by ISO. [I3166] Tutorial: For each nation, ISO Standard 3166 defines a unique two character alphabetic code, a unique three character alphabetic code, and a three digit code. Among many uses of these codes, the two character codes are used as top level domain names.

An identifier that is defined for a nation by ISO. [I3166]

Tutorial: For each nation, ISO Standard 3166 defines a unique two- character alphabetic code, a unique three-character alphabetic code, and a three-digit code. Among many uses of these codes, the two-character codes are used as top-level domain names.

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
Source: IETF RFC 4949 (rfc-editor.org).