County: Natrona
| Zip code | County Code |
MSA Code |
City | State |
|---|---|---|---|---|
| 82601 | 56025 | Casper, WY | Casper | Wyoming |
| 82602 | 56025 | Casper, WY | Casper | Wyoming |
| 82604 | 56025 | Casper, WY | Casper | Wyoming |
| 82605 | 56025 | Casper, WY | Casper | Wyoming |
| 82609 | 56025 | Casper, WY | Casper | Wyoming |
| 82620 | 56025 | Casper, WY | Alcova | Wyoming |
| 82630 | 56025 | Casper, WY | Arminto | Wyoming |
| 82635 | 56025 | Casper, WY | Edgerton | Wyoming |
| 82636 | 56025 | Casper, WY | Evansville | Wyoming |
| 82638 | 56025 | Casper, WY | Hiland | Wyoming |
| 82643 | 56025 | Casper, WY | Midwest | Wyoming |
| 82644 | 56025 | Casper, WY | Mills | Wyoming |
| 82646 | 56025 | Casper, WY | Natrona | Wyoming |
| 82648 | 56025 | Casper, WY | Powder River | Wyoming |