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