List of Idaho Zip Codes by City
As of June 2019, the state of Idaho has a total of 335 postal codes. In the table below, you can see all Idaho zip codes listed by city, town and village as well as county affiliated. With 265 cities (and towns) and 44 counties (and county-equivalents), Idaho is the 39th largest state by population (1,683,140) and 11th largest one by land area (214,045 km2) in the United States.
The capital of Idaho is Boise and major cities include Meridian, Nampa, Idaho Falls, and Pocatello.