Multi-County Lookup Now Available!
October 28, 2020
Zip API US now offers county lookups.
There are 2 available endpoints to perform a county lookup based on a given zip code.
Option 1: Get the single primary county record of a given zip code.
Endpoint: /zipcode/47858/?fields=county
Option 2: Get all counties of a given zip code.
Endpoint: /zipcode/county/47858