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Wyoming ZIP Codes

Wyoming ZIP codes cover cities like Cheyenne, Casper, Laramie, as well as rural areas throughout the state. ZIP codes starting with 820–831 are unique to Wyoming.

Quick Facts

  • Total ZIP Codes: 237
  • Largest City: Cheyenne
  • ZIP Range: 82001 – 83128
  • Area Codes: 307

Population Highlights

  • Cheyenne Metro: ~0.10M
  • Casper Metro: ~0.06M
  • Laramie Metro: ~0.03M

Major Counties

  • Laramie: 82001–82099
  • Natrona: 82601–82646
  • Albany: 82050–82081

Regional ZIP Distribution

  • Southeast WY: 82001–82099
  • Central WY: 82301–82699
  • Northwest WY: 82901–83128

Area Codes

  • 307: Entire state

Transportation & Landmarks

  • Cheyenne Regional Airport
  • Major Interstates: I-25, I-80, I-90
  • Landmarks: Yellowstone National Park (NW WY)

Notable ZIP Codes

Some ZIP codes in Wyoming are especially significant. 82001 covers Cheyenne, 82601 covers Casper, and 82070 covers Laramie. Rural ZIP codes include 82331 (Baggs) and 83128 (Lyman).

Wyoming ZIP Code Directory

ZIP Code â–² Common City â–²

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