Clark County ZIP Codes
Idaho, United States · 2 codes
Clark County in Idaho has 2 ZIP codes, from 83423 to 83446, serving 2 places.
ZIP codes in Clark
Frequently asked questions
What is the ZIP code of Clark?
Clark has 2 ZIP codes, from 83423 to 83446. The table lists the places each one serves.
How many places are listed in Clark County?
2 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.