Casper, Wyoming

5 ZIP codes · Mountain time

ZIP codes (largest first)

82604 · 27,48782601 · 26,72182609 · 18,71482602 (PO box)82605 (PO box)
Population58,839
StateWyoming
CountyNatrona County
Area code307
Time zoneMountain
Land area26.75 sq mi

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.