Humboldt County ZIP Codes
Nevada, United States · 8 codes
Humboldt County in Nevada has 8 ZIP codes, from 89404 to 89446, serving 8 places.
ZIP codes in Humboldt
Frequently asked questions
What is the ZIP code of Humboldt?
Humboldt has 8 ZIP codes, from 89404 to 89446. The table lists the places each one serves.
How many places are listed in Humboldt County?
8 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.