Ecosyste.ms: Packages
An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.
packagist.org "Postal Routing Number" keyword
detain/zip-zapper v2.0.0
Validates Zip/Postal Codes for any country and gives that countries name for thier verions of Zip...3 versions - Latest release: almost 5 years ago - 1.15 thousand downloads total - 6 stars on GitHub - 1 maintainer