Idaho ZIP Code List
Idaho has a total number of 312,492 ZIP Codes, and the first three digits range from 832-838.
This page provides a complete list of 5-digit ZIP Codes in the Idaho, along with their corresponding states, counties, and cities. A ZIP Code, short for Zone Improvement Plan, is the postal code system used by the USPS to improve mail delivery efficiency. ZIP Codes come in two formats: the standard 5-digit ZIP Code and the extended 9-digit ZIP+4 Code, which allows for more precise delivery locations such as specific buildings, apartment groups, or PO boxes.
