| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80104 | Castle Rock | CO | Douglas County | 30890 | 89,630 |
| 80108 | Castle Rock | CO | Douglas County | 26400 | |
| 80109 | Castle Rock | CO | Douglas County | 22390 | |
| 80116 | Franktown | CO | Douglas County | 4230 | |
| 80118 | Larkspur | CO | Douglas County | 5720 | |
| Owner email: | |||||
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80125 | Littleton | CO | Douglas County | 10390 | 113197 |
| 80126 | Littleton | CO | Douglas County | 43160 | |
| 80129 | Littleton | CO | Douglas County | 28330 | |
| 80130 | Littleton | CO | Douglas County | 27380 | |
| 80131 | Louviers | CO | Douglas County | 227 | |
| 80135 | Sedalia | CO | Douglas County | 3710 | |
| Owner cell: | |||||
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80124 | Lone Tree | CO | Douglas County | 20200 | 114780 |
| 80134 | Parker | CO | Douglas County | 63980 | |
| 80138 | Parker | CO | Douglas County | 30600 |