- Loveland
- Lone Pine Mobile Home Court
- Lakeview
- Lake Canyada Mobile Home Park
- Lakewood Park
- Linwood
- Little Groves
- Lebanon
- La Porte City
- Ladora
- Lear
- Lincoln
- Long Point
- Lambs Grove
- Lamoni
- Ladoga
- Larchwood
- Larrabee
- Lake Panorama
- Lawler
- Le Claire
- Le Mars
- Leando
- Ledyard
- Lebanon
- Lexington
- Lehigh
- Letts
- Loch Burns
- Lidderdale