Lewis and Clark County ZIP Codes
Montana, United States · 15 codes
Lewis and Clark County in Montana has 15 ZIP codes, from 59410 to 59648, serving 15 places.
ZIP codes in Lewis and Clark
Frequently asked questions
What is the ZIP code of Lewis and Clark?
Lewis and Clark has 15 ZIP codes, from 59410 to 59648. The table lists the places each one serves.
How many places are listed in Lewis and Clark County?
15 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.