ZIP CodesZIP codes in Douglas County, Colorado
Douglas County, Colorado has 15 ZIP codes in this list, from 80104 to 80163. They cover 8 places, among them Littleton, Castle Rock, Parker and Franktown.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 80104 | Castle Rock | 70.7 | 39.372, -104.856 |
| 80108 | Castle Rock | 35.3 | 39.446, -104.853 |
| 80109 | Castle Rock | 26.0 | 39.364, -104.901 |
| 80116 | Franktown | 92.3 | 39.373, -104.726 |
| 80118 | Larkspur | 131 | 39.201, -104.855 |
| 80124 | Lone Tree | 9.4 | 39.552, -104.886 |
| 80125 | Littleton | 39.2 | 39.484, -105.056 |
| 80126 | Littleton | 10.8 | 39.544, -104.969 |
| 80129 | Littleton | 7.0 | 39.540, -105.011 |
| 80130 | Littleton | 6.9 | 39.541, -104.922 |
| 80131 | Louviers | 0.6 | 39.476, -105.007 |
| 80134 | Parker | 57.3 | 39.489, -104.845 |
| 80135 | Sedalia | 372 | 39.311, -105.068 |
| 80138 | Parker | 62.0 | 39.510, -104.722 |
| 80163 | Littleton | no area | 39.348, -104.995 |
The ZIP code areas of Douglas County add up to about 921 square miles of land (2,385 sq km) as the Census Bureau draws them. The largest is 80135 (Sedalia), with 372 square miles.
Places with more than one code here: Littleton (5 codes), Castle Rock (3 codes), Parker (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Castle Rock, CO 80104.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.