Zip Code API
"zipcodebase.com is a zip code API that provides worldwide postal code information and allows users to complete the following tasks:
- Calculate the distance between zip codes
- Look up information for a zip code
- Find zip codes around a given zip code
- Find a major location behind a zip code
- Match together a list of zip codes by their distance to each other
It's built with Laravel / PHP & Vue.js, based on Laravel Spark."