What is kz

Last updated: April 1, 2026

Quick Answer: KZ is the internet country code and top-level domain (.kz) for Kazakhstan, a country in Central Asia. It's used for websites and online services registered in Kazakhstan.

Key Facts

Understanding Country Codes

KZ is an official country code designation used in international systems to represent Kazakhstan. Country codes are standardized internationally through the ISO 3166-1 standard, which assigns unique two-letter and three-letter codes to every country in the world. These codes are used across multiple systems including internet domains, currency abbreviations, aircraft registration, and international telecommunications. The KZ code comes from the Latin abbreviation for Kazakhstan and has been used consistently since the country's independence in 1991.

The .kz Domain

As an internet country code top-level domain (ccTLD), .kz is used for websites and online services based in or registered to Kazakhstan. Organizations, businesses, and individuals can register .kz domains to establish their online presence within the Kazakhstani internet space. The .kz domain is managed by the Institute of Information and Space Technologies (IISOT), which oversees all domain registrations and ensures compliance with Kazakhstan's internet regulations. The domain has been operational since 1992, making it one of the earlier ccTLDs established following the independence of former Soviet republics.

Kazakhstan Country Overview

Kazakhstan is the country represented by the KZ code. Located in Central Asia, it is the world's largest landlocked country by area, spanning over 2.7 million square kilometers. The country is bordered by Russia to the north and west, China to the east, and shares borders with Kyrgyzstan, Uzbekistan, and Turkmenistan. Kazakhstan became independent from the Soviet Union on December 16, 1991. The capital city, Astana (formerly Nur-Sultan and Akmola), is one of the world's newest major capitals, purpose-built since 1997.

Registering a .kz Domain

To register a .kz domain, individuals and organizations must work through authorized domain registrars that operate within Kazakhstan's internet infrastructure. The registration process typically requires providing accurate organizational or personal information and paying annual registration fees. Different categories of domains may have different registration requirements, with some domains restricted to Kazakhstani entities and others open to international registrants. The IISOT maintains a registry of all authorized registrars and oversees all .kz domain registrations to ensure compliance.

International Standards and Usage

Beyond internet domains, the KZ code appears in various international contexts. Currency transactions may reference KZT (Kazakhstan Tenge, the national currency). In telecommunications, the country code for Kazakhstan is +7 for landlines and +77 and +78 for mobile phones. Aircraft registered in Kazakhstan use a registration mark starting with UP-. These standardized codes facilitate international commerce, communication, and data organization across all global systems.

Related Questions

What country is KZ?

KZ is the code for Kazakhstan, a large Central Asian country that declared independence from the Soviet Union in 1991. Kazakhstan is the world's largest landlocked country by area and is known for its vast steppes, mineral resources, and strategic location between Europe and Asia.

How do I register a .kz domain?

To register a .kz domain, you must go through authorized domain registrars that operate in Kazakhstan. The process typically requires providing organizational or personal information and paying annual registration fees. Registration is managed by IISOT, which oversees all .kz domain registrations.

Why is the country code KZ instead of a different abbreviation?

Country codes are assigned by the ISO 3166-1 standard. KZ comes from the Latin abbreviation for Kazakhstan. These two-letter codes are standardized internationally and used consistently across all systems, currencies, and internet domains.

Sources

  1. Wikipedia - Kazakhstan CC-BY-SA-4.0
  2. Wikipedia - .kz Domain CC-BY-SA-4.0