Cheyenne, WY ZIP Codes, Area Codes and Address Format

City guides  |  April 23, 2026  |  2 min read

Looking up ZIP codes or writing an address in Cheyenne, Wyoming? Below is a practical reference built from postal data for the city.

State

Wyoming (WY)

County

Laramie County

Standard ZIP codes

3

Time zone

Mountain

Cheyenne ZIP codes

These are the standard delivery ZIP codes for Cheyenne. The city has 7 ZIP codes in total when PO Box and unique codes are included.

• 82001
• 82007
• 82009

Area codes in Cheyenne

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

Sample Cheyenne 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 Cheyenne

• End the address with CHEYENNE, 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. Cheyenne has 3 codes, so the city name alone is not enough.

Other cities in Laramie County

Albin

More Wyoming cities

Alta, Gillette, Alpine, Alva, Casper, or see all Wyoming cities.