M
| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
|---|---|---|---|---|
| McArthur | 1 | Boundary County | 83847 | |
| McCall | 1 | Valley County | 83638 | |
| McCammon | 1 | Bannock County | 83250 | |
| McCarthy | 1 | Shoshone County | 83873 | |
| McDonaldville | 1 | Bingham County | ||
| Mace | 1 | Shoshone County | 83873 | |
| McGuire | 1 | Kootenai County | 83854 | |
| McHenry | 1 | Jerome County | ||
| Mackay | 1 | Custer County | 83251 | |
| Mackay Bar | 1 | Idaho County | 83638 | |
| Macks Inn | 1 | Fremont County | 83433 | |
| McMillan | 1 | Twin Falls County | ||
| Macon | 1 | Camas County | ||
| Maddens | 1 | Canyon County | ||
| Magic | 1 | Camas County | ||
| Magic City | 1 | Blaine County | 83333 | |
| Magic Resort | 1 | Blaine County | 83352 | |
| Malad | 1 | Oneida County | ||
| Malad City | 1 | Oneida County | 83252 | |
| Malta | 1 | Cassia County | 83342 | |
| Mangum | 1 | Canyon County | ||
| Manson | 1 | Bear Lake County | ||
| Mapleton | 1 | Franklin County | 83263 | |
| Marble Creek | 1 | Shoshone County | ||
| Marion | 1 | Cassia County | 83346 | |
| Mark | 1 | Madison County | ||
| Marsh Valley | 1 | Bannock County | ||
| Marsing | 1 | Owyhee County | 83639 | |
| Martin | 1 | Butte County | ||
| Martin | 1 | Cassia County | ||
| Marysville | 1 | Fremont County | 83420 | |
| Mashburn | 1 | Benewah County | ||
| Masonia | 1 | Shoshone County | ||
| Max | 1 | Minidoka County | ||
| May | 1 | Lemhi County | 83253 | |
| Mayfield | 1 | Elmore County | 83706 | |
| Meadow Creek | 1 | Boundary County | 83805 | |
| Meadows | 1 | Adams County | 83654 | |
| Medimont | 1 | Kootenai County | 83842 | |
| Melba | 1 | Canyon County | 83641 | |
| Melmont | 1 | Canyon County | ||
| Melrose | 1 | Nez Perce County | ||
| Menan | 1 | Jefferson County | 83434 | |
| Meridian | 1 | Ada County | 83642 | |
| Mesa | 1 | Adams County | ||
| Mesa | 1 | Adams County | 83643 | |
| Meteor | 1 | Twin Falls County | ||
| Mica | 1 | Kootenai County | ||
| Michaud | 1 | Power County | ||
| Midas | 1 | Bonner County | 83864 | |
| Midasville | 1 | Idaho County | ||
| Middleton | 1 | Canyon County | 83644 | |
| Midnight | 1 | Valley County | ||
| Midvale | 1 | Washington County | 83645 | |
| Midway | 1 | Bingham County | ||
| Midway | 1 | Canyon County | ||
| Midway | 1 | Jefferson County | ||
| Miller Creek Settlement | 1 | Owyhee County | ||
| Milner | 1 | Twin Falls County | ||
| Milo | 1 | Bonneville County | 83427 | |
| Mineral | 1 | Washington County | ||
| Minidoka | 1 | Minidoka County | 83343 | |
| Mink Creek | 1 | Franklin County | 83263 | |
| Mitchell | 1 | Bingham County | ||
| Mohler | 1 | Lewis County | 83523 | |
| Monsanto | 1 | Caribou County | ||
| Montana Junction | 1 | Bannock County | 83201 | |
| Monteview | 1 | Jefferson County | 83435 | |
| Montour | 1 | Gem County | 83617 | |
| Montpelier | 1 | Bear Lake County | 83254 | |
| Moody | 1 | Madison County | ||
| Moore | 1 | Butte County | 83255 | |
| Moose City | 1 | Clearwater County | ||
| Mora | 1 | Ada County | 83634 | |
| Moravia | 1 | Boundary County | 83847 | |
| Moreland | 1 | Bingham County | 83256 | |
| Morgan | 1 | Bingham County | ||
| Morgans Alley | 1 | Nez Perce County | 83501 | |
| Morning | 1 | Shoshone County | ||
| Morrow | 1 | Lewis County | ||
| Morton | 1 | Bonner County | ||
| Moscow | 1 | Latah County | 83843 | |
| Moss | 1 | Canyon County | ||
| Mound Valley | 1 | Franklin County | ||
| Mountain Home | 1 | Elmore County | 83647 | |
| Mountain Home Air Force Base | 1 | Elmore County | 83648 | |
| Mountain Home Base | 1 | Elmore County | ||
| Mountain View | 1 | Ada County | 83704 | |
| Mount Idaho | 1 | Idaho County | 83530 | |
| Mowry | 1 | Benewah County | ||
| Moyie Springs | 1 | Boundary County | 83845 | |
| Mozart | 1 | Kootenai County | ||
| Mud Lake | 1 | Jefferson County | 83450 | |
| Mud Springs | 1 | Idaho County | ||
| Muldoon | 1 | Blaine County | 83320 | |
| Mullan | 1 | Shoshone County | 83846 | |
| Murphy | 1 | Owyhee County | 83650 | |
| Murphy Hot Springs | 1 | Owyhee County | ||
| Murray | 1 | Shoshone County | 83874 | |
| Murtaugh | 1 | Twin Falls County | 83344 | |
| Musselshell | 1 | Clearwater County | ||
| Myers | 1 | Minidoka County | ||
| Myrtle | 1 | Nez Perce County | 83535 |
Read more about this topic: List Of Places In Idaho: L-Z