Greybull, WY -- U.S. town in Wyoming Population (2000): 1815 Housing Units (2000): 923 Land area (2000): 1.782176 sq. miles (4.615815 sq. km) Water area (2000): 0.007934 sq. miles (0.020548 sq. km) Total area (2000): 1.790110 sq. miles (4.636363 sq. km) FIPS code: 33885 Located within: Wyoming (WY), FIPS 56 Location: 44.491450 N, 108.053655 W ZIP Codes (1990): 82426 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Greybull, WY Greybull