In the article that follows, we will delve into the fascinating world of Postal codes in Azerbaijan. We will explore its origins, evolution and relevance today, analyzing its impact on different aspects of society. Since Postal codes in Azerbaijan, we have witnessed its influence on culture, the economy, technology and politics, among other areas. Through a comprehensive and multidimensional approach, we aim to shed light on this exciting topic and provide the reader with a broad and enriching vision.

Postal codes in Azerbaijan consist of four digits.
The four-digit postcode indicates the nationwide format AZ NNNN. The first two digits indicate the regions of Azerbaijan in accordance with the modern administrative divisions, including the Nakhchivan Autonomous Republic the postal codes are technically out of use and there is no the delivery of mail conducted between Nagorno-Karabakh and the rest of Azerbaijan.
From 1970 until 1991, when Azerbaijan was part of the Soviet Union as the Azerbaijan SSR, the entire territory of the Soviet Union used the six-digit postcode 37NNNN. After gaining independence, Azerbaijan switched to the current four-digit postcode.[1]