| Zip Code | Primary City | Secondary City | More Information |
| 80015 | Aurora | Centennial | Centennial population stats |
| 80016 | Aurora | Centennial | Centennial population stats |
| 80111 | Englewood | Centennial | Centennial population stats |
| 80112 | Englewood | Centennial | Centennial population stats |
| 80121 | Littleton | Centennial | Centennial population stats |
| 80122 | Littleton | Centennial | Centennial population stats |
| 80124 | Lone Tree | Littleton | Littleton population stats |
| 80161 | Littleton | Centennial | Centennial population stats |
| 80014 | Aurora | Centennial | Centennial population stats |
| 80123 | Littleton | Centennial | Centennial population stats |
| 80120 | Littleton | Littleton | Littleton population stats |
| 80121 | Littleton | Littleton | Littleton population stats |
| 80122 | Littleton | Littleton | Littleton population stats |
| 80123 | Littleton | Littleton | Littleton population stats |
| 80125 | Littleton | Littleton | Littleton population stats |
| 80126 | Littleton | Littleton | Littleton population stats |
| 80127 | Littleton | Littleton | Littleton population stats |
| 80128 | Littleton | Littleton | Littleton population stats |
| 80129 | Littleton | Littleton | Littleton population stats |
| 80130 | Littleton | Littleton | Littleton population stats |
| 80160 | Littleton | Littleton | Littleton population stats |
| 80162 | Littleton | Littleton | Littleton population stats |
| 80163 | Littleton | Littleton | Littleton population stats |
| 80165 | Littleton | Littleton | Littleton population stats |
| 80166 | Littleton | Littleton | Littleton population stats |