รหัสไปรษณีย์Idaho (ID)
เขต
44Ada County 34Adams County 4Bannock County 12Bear Lake County 9Benewah County 6Bingham County 10Blaine County 7Boise County 7Bonner County 16Bonneville County 11Boundary County 5Butte County 3Camas County 3Canyon County 15Caribou County 5Cassia County 6Clark County 2Clearwater County 6Custer County 5Elmore County 6Franklin County 6Fremont County 8Gem County 4Gooding County 4Idaho County 13Jefferson County 8Jerome County 3Kootenai County 14Latah County 12Lemhi County 10Lewis County 5Lincoln County 3Madison County 4Minidoka County 4Nez Perce County 4Oneida County 2Owyhee County 5Payette County 3Power County 3Shoshone County 12Teton County 4Twin Falls County 9Valley County 5Washington County 3