- Las Juntas
- Las Lomas
- Las Lomas
- Lasco
- Last Chance
- Late
- Latrobe
- Laughlin
- Laurel
- Lavic
- Lawndale
- Lawrence
- Lawrence Welk Resort Village
- Laws
- Lazy Landing Mobile Home Park
- Leadfield
- Leaf
- Leavitt
- Ledger Island
- Leduc Acres
- Leesdale
- Leesville
- Leggett
- Leimert
- Leisure Town
- Leisure World
- Lemon Cove
- Lemon Heights
- Lemoncove
- Lemoore Station