- Lehigh
- Leibrands Trailer Court
- Leisure Village
- Leisure Village Mobile Home Park
- Leiterville
- Lennep
- Leonard Place
- Leroy
- Lewistown
- Lewistown Heights
- Lewistown Junction
- Lexley Acres Mobile Home Park
- Libby
- Lima
- Limestone
- Lincoln
- Lindisfarne
- Lindsay
- Lingenpolter
- Lingshire
- Lippard
- Lipske Trailer Court
- Little Browning
- Little Bull Island
- Living Springs
- Livingston
- Livingston Island
- Lloyd
- Locate
- Lockwood