L
| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
|---|---|---|---|---|
| Labelle | 1 | Jefferson County | 83442 | |
| Laclede | 1 | Bonner County | 83841 | |
| La Fleur | 1 | Ada County | ||
| Lago | 1 | Caribou County | 83241 | |
| Lake | 1 | Fremont County | ||
| Lake Creek | 1 | Kootenai County | 83876 | |
| Lake Fork | 1 | Valley County | 83635 | |
| Lakeview | 1 | Bonner County | 83803 | |
| Lamb Creek | 1 | Bonner County | ||
| Lamont | 1 | Fremont County | 83420 | |
| Lanark | 1 | Bear Lake County | 83260 | |
| Lancaster Terrace | 1 | Ada County | ||
| Landmark | 1 | Valley County | ||
| Landore | 1 | Adams County | ||
| Lane | 1 | Kootenai County | 83810 | |
| Lapwai | 1 | Nez Perce County | 83540 | |
| Lardo | 1 | Valley County | 83638 | |
| Larson | 1 | Shoshone County | ||
| Last Chance | 1 | Fremont County | ||
| Last Chance Resort | 1 | Fremont County | 83429 | |
| Lava Hot Springs | 1 | Bannock County | 83246 | |
| Lawman Ford | 1 | Valley County | ||
| Leadore | 1 | Lemhi County | 83464 | |
| Leadville | 1 | Lemhi County | ||
| Leesburg | 1 | Lemhi County | ||
| Leland | 1 | Nez Perce County | 83537 | |
| Lemhi | 1 | Lemhi County | 83465 | |
| Lenore | 1 | Nez Perce County | 83541 | |
| Leon | 1 | Nez Perce County | ||
| Leone | 1 | Ada County | ||
| Leonia | 1 | Boundary County | ||
| Leslie | 1 | Custer County | 83255 | |
| Letha | 1 | Gem County | 83636 | |
| Lewiston | 1 | Nez Perce County | 83501 | |
| Lewiston-Nez Perce County Airport | 1 | Nez Perce County | 83501 | |
| Lewiston Orchards | 1 | Nez Perce County | 83501 | |
| Lewisville | 1 | Jefferson County | 83431 | |
| Liberty | 1 | Bear Lake County | 83260 | |
| Liberty | 1 | Bingham County | ||
| Lidy Hot Springs | 1 | Clark County | 83423 | |
| Lifton | 1 | Bear Lake County | ||
| Lincoln | 1 | Bonneville County | 83401 | |
| Lincoln Junction | 1 | Bonneville County | ||
| Linden | 1 | Latah County | 83550 | |
| Linfor | 1 | Shoshone County | ||
| Linrose | 1 | Franklin County | 83286 | |
| Little Rock | 1 | Gem County | ||
| Little Sugarloaf | 1 | Owyhee County | ||
| Lone Pine | 1 | Clark County | 83464 | |
| Lone Rock | 1 | Power County | ||
| Lone Star | 1 | Lincoln County | 83352 | |
| Lookout | 1 | Nez Perce County | 83541 | |
| Lorenzo | 1 | Jefferson County | 83442 | |
| Lost River | 1 | Butte County | ||
| Lost River | 1 | Custer County | 83231 | |
| Lotus | 1 | Benewah County | ||
| Lowell | 1 | Idaho County | 83539 | |
| Lower Stanley | 1 | Custer County | 83278 | |
| Lowman | 1 | Boise County | 83637 | |
| Lucile | 1 | Idaho County | 83542 | |
| Lund | 1 | Caribou County | 83217 | |
| Lyman | 1 | Madison County | 83440 |
Read more about this topic: List Of Places In Idaho: L-Z