Zip Code Listings for Casper, Wyoming The following are the areas codes and zip codes for Casper, Wyoming 82601 (area code: 307)
82602 (area code: 307)
82604 (area code: 307)
82605 (area code: 307)
82609 (area code: 307)
82615 (area code: 307)
82630 (area code: 307)
82638 (area code: 307)
82646 (area code: 307)