+E.164 is the global standard defining the structure of international public [Telephony](/wiki/Telephony) numbers. It organizes digits into country codes and subscriber numbers, ensuring unique identification and enabling seamless worldwide voice [Communication](/wiki/Communication). This universal framework underpins modern digital and analog calling systems.
+## See also
+- [Country Code](/wiki/Country_Code)
+- [Dialing Plan](/wiki/Dialing_Plan)
+- [VoIP](/wiki/VoIP)
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