| Locality | Post Code |
|---|---|
| Arvada, Jefferson | 80002, 80003, 80004, 80005, 80007, … |
| Aspen Park, Jefferson | 80433 |
| Blackhawk, Jefferson | 80403 |
| Bow Mar, Jefferson | 80123 |
| Broomfield, Jefferson | 80021 |
| Buffalo Creek, Jefferson | 80425 |
| Centennial, Jefferson | 80123 |
| Columbine Valley, Jefferson | 80123 |
| Conifer, Jefferson | 80433 |
| Denver, Jefferson | 80033, 80127, 80214, 80215, 80225, … |
| Edgewater, Jefferson | 80214 |
| Evergreen, Jefferson | 80439 |
| Foxton, Jefferson | 80433 |
| Golden, Jefferson | 80401, 80402, 80403 |
| Grants Ranch, Jefferson | 80123 |
| Idledale, Jefferson | 80453 |
| Indian Hills, Jefferson | 80454 |
| Kittredge, Jefferson | 80457 |
| Lakewood, Jefferson | 80214, 80215, 80225, 80226, 80227, … |
| Littleton, Jefferson | 80123, 80127, 80128 |
| Morrison, Jefferson | 80465 |
| Pine, Jefferson | 80470 |
| Westminster, Jefferson | 80003, 80021 |
| Wheat Ridge, Jefferson | 80033, 80214, 80215 |