Gillette, WY ZIP Codes
Gillette, Wyoming has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Gillette ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Gillette ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
82717 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Gillette city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Gillette ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 82716 | street delivery Gillette |
| 82717 | PO boxes at the Gillette post office Gillette |
| 82718 | street delivery Gillette |
Why your mail may say Gillette when you live outside it
Gillette ZIP codes also cover Sleepy Hollow, so a letter addressed to Gillette can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Campbell County property records show which city you are in.
Gillette ZIP code questions
What is the main ZIP code for Gillette?
82716, the ZIP code of the main Gillette post office at 311 S Kendrick Ave.
Which Gillette ZIP codes are for PO boxes only?
82717. Mail to it goes to boxes at the post office, not to street addresses.
What county is Gillette in?
Campbell County.
ZIP codes for towns near Gillette
More towns near Gillette: Windsor, Loveland, Greeley, Longmont, Bismarck, Bozeman, Erie, Boulder, Lafayette.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections