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Wyoming ZIP codes

Wyoming has 195 ZIP codes (82001–83414) across 176 cities and towns and 23 counties.

ZIP codes
195
With delivery area
179
Population in ZIPs
582,289
Cities & towns
176
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Richest ZIP codes in Wyoming Most expensive ZIP codes

Zoom in to see ZIP code boundaries. Click a dot to open a ZIP code, or anywhere else to see which ZIP it's in.

Largest cities in Wyoming

Wyoming ZIP codes by county

Most populated Wyoming ZIP codes

  1. 82001 Cheyenne – 38,168
  2. 82009 Cheyenne – 35,081
  3. 82604 Casper – 27,487
  4. 82901 Rock Springs – 27,198
  5. 82601 Casper – 26,721
  6. 82718 Gillette – 26,619
  7. 82801 Sheridan – 26,310
  8. 82007 Cheyenne – 21,704
  9. 82070 Laramie – 20,144
  10. 82501 Riverton – 19,413

All Wyoming cities and towns

Frequently asked questions

How many ZIP codes are in Wyoming?

Wyoming has 195 ZIP codes: 179 with a delivery area and 16 PO Box or single-organization ZIP codes.

What ZIP codes does Wyoming use?

Wyoming ZIP codes run from 82001 to 83414.

Which Wyoming ZIP code has the most people?

ZIP code 82001 in Cheyenne has the largest population, about 38,168 residents (ACS 2020–2024).