County License Plate Designators
 |
1A |
Ada (Boise) |
|
1G |
Gem (Emmett) |
| 2A |
Adams (Council) |
2G |
Gooding (Gooding) |
| 1B |
Bannock (Pocatello) |
I |
Idaho (Grangeville) |
| 2B |
Beark Lake (Paris) |
1J |
Jefferson (Rigby) |
| 3B |
Beneway (St. Maries) |
2J |
Jerome (Jerome) |
| 4B |
Bingham (Blackfoot) |
K |
Kootenai (Coeur d'Alene) |
| 5B |
Blaine (Hailey) |
1L |
Latah (Moscow) |
| 6B |
Boise (Idaho City) |
2L |
Lemhi (Salmon) |
| 7B |
Bonner (Sandpoint) |
3L |
Lewis (Nez Perce) |
| 8B |
Bonneville (Idaho Falls) |
4L |
Lincoln (Shoshone) |
| 9B |
Boundary (Bonners Ferry) |
1M |
Madison (Rexburg) |
| 10B |
Butte (Arco) |
2M |
Minidoka (Rupert) |
| 1C |
Camas (Fairfield) |
N |
Nez Perce (Lewiston) |
| 2C |
Canyon (Caldwell) |
1O |
Oneida (Malad City) |
| 3C |
Caribou (Soda Springs) |
2O |
Owyhee (Murphy) |
| 4C |
Cassia (Burley) |
1P |
Payette (Payette) |
| 5C |
Clark (Dubois) |
2P |
Power (American Falls) |
| 6C |
Clearwater (Orofino) |
S |
Shoshone (Wallace) |
| 7C |
Custer (Challis) |
1T |
Teton (Driggs) |
| E |
Elmore (Mountain Home) |
2T |
Twin Falls (Twin Falls) |
| 1F |
Franklin (Preston) |
V |
Valley (Cascade) |
| 2F |
Fremont (St. Anthony) |
W |
Washington (Weiser) |
County Seat indicated in parenthesis
|
