Complete ZIP Code Details
| ZIP Code | 83121 |
| City | Frontier |
| State | Wyoming (WY) |
| County | Lincoln |
| Timezone | America/Denver |
| Coordinates | 41.8498200, -110.5402300 |
| ZIP Type | STANDARD |
| Country | United States |
| ZIP Code | 83121 |
| City | Frontier |
| State | Wyoming (WY) |
| County | Lincoln |
| Timezone | America/Denver |
| Coordinates | 41.8498200, -110.5402300 |
| ZIP Type | STANDARD |
| Country | United States |