Colorado cities starting with L
- Lafayette, CO 21
- La Junta, CO 18
- Lake George, CO 5
- Lakewood, CO 93
- Lamar, CO 19
- Larkspur, CO 6
- Las Animas, CO 8
- Leadville, CO 8
- Limon, CO 8
- Littleton, CO 87
- Lone Tree, CO 5
- Longmont, CO 75
- Louisville, CO 13
- Loveland, CO 67
- Lyons, CO 5