Postleitzahl. net is an online directory for finding postal codes, places, and administrative areas, with a focus on Germany and additional coverage of countries across Europe, North America, South America, and Asia. Its search tools help visitors locate a place or postal code and view related location information.

For Germany, the site provides overviews of cities and municipalities, including districts, and directories organized by state, place name, postal-code area, and initial letter. Location profiles can include maps, neighboring places, administrative assignments, and associated ZIP codes. Visitors can also explore frequently searched cities such as Berlin, Hamburg, Munich, Cologne, Frankfurt, Düsseldorf, Stuttgart, and Leipzig.

Additional features include an address and postal-code search, a radius search, and access to downloadable data and an API. By bringing location directories, maps, and search functions together, Postleitzahl. net serves as a practical reference for people looking up German postal information or browsing postal-code resources for other countries