Gillette, WY ZIP Codes, Area Codes and Address Format

City guides  |  May 13, 2026  |  2 min read

This guide covers Gillette, WY: its ZIP codes, area codes, county and time zone, with sample addresses you can copy for testing.

State

Wyoming (WY)

County

Campbell County

Standard ZIP codes

2

Time zone

Mountain

Gillette ZIP codes

These are the standard delivery ZIP codes for Gillette. The city has 3 ZIP codes in total when PO Box and unique codes are included.

• 82716
• 82718

Area codes in Gillette

Gillette phone numbers use 307. A single area code keeps local numbers easy to recognize.

Sample Gillette addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Gillette

• End the address with GILLETTE, WY and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Gillette has 2 codes, so the city name alone is not enough.

More Wyoming cities

Arminto, Arapahoe, Afton, Cheyenne, Alta, or see all Wyoming cities.