The Second Quarter 2024 International Postal Database contains updated country data. For a complete list of countries and the level at which the database recognizes countries, see Country Levels.
Postcode format in the world
Different countries have diverse approaches to defining their postcode systems, including their placement within addresses, mandatory usage and alphanumeric composition. Understanding these details is crucial for correct address processing. Therefore, we publish the list summarizing postcode formats per country, indicating whether they are mandatory, which countries use postcodes, and their composition. You can download it at: Postcode Formats.
Poland: new premises dataset
The 2024.2 edition of the Universal POST*CODE® DataBase includes an updated dataset for Poland, covering the entire country at the premises level.