Casper, WY zip codes
Casper, Wyoming has 5 zip codes (3 residential, 2 PO box or single-organization). Most of it is in Natrona County. Together these zip codes are home to about 73K people.
Zip codes
5
Population
73K
All zips combined
Largest zip
82604
27,487 residents
Income range
$68K–$79K
Median by zip