| Locality | Post Code |
|---|---|
| Castle Pines, Douglas | 80108 |
| Castle Rock, Douglas | 80104, 80108, 80109 |
| Deckers, Douglas | 80135 |
| Franktown, Douglas | 80116 |
| Highlands Ranch, Douglas | 80126, 80129, 80130 |
| Larkspur, Douglas | 80118 |
| Littleton, Douglas | 80124, 80125, 80126, 80129 |
| Lone Tree, Douglas | 80124, 80134 |
| Louviers, Douglas | 80131 |
| Parker, Douglas | 80134, 80138 |
| Roxborough, Douglas | 80125 |
| Sedalia, Douglas | 80135 |