PostalCodes.info

PostalCodes.info provides postal-code lookup, country-level reference pages, downloadable datasets, and API documentation for developers and data teams working on address validation, checkout normalization, logistics, CRM cleanup, GIS examples, and geocoding workflows. The current public dataset snapshot covers 121 countries and territories with 1,826,607 rows. Common fields include postal code, locality name, administrative hierarchy, and approximate WGS84 coordinates for administrative centroids. Country packages are available in CSV, XLSX, and JSON formats, with API documentation and examples available for integration work. Useful entry points include the API documentation at https://postalcodes.info/api and the dataset catalog at https://postalcodes.info/datasets.