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Idaho is a state in the Pacific Northwest region of the United States. It borders the state of Montana to the east and northeast, Wyoming to the east, Nevada and Utah to the south, and Washington and Oregon to the west. To the north, it shares a small portion of the Canadian border with the province of British Columbia. With a population of approximately 1.8 million and an area of 83,570 square miles , Idaho is the 14th largest, the 13th least populous and the 7th least densely populated of the 50 U.S. states. The state's capital and largest city is Boise.

For thousands of years Idaho has been inhabited by Native American peoples. In the early 19th century, Idaho was considered part of the Oregon Country, an area disputed between the United States and the British Empire. It officially became U.S. territory with the signing of the Oregon Treaty of 1846, but a separate Idaho Territory was not organized until 1863, instead being included for periods in Oregon Territory and Washington Territory. Idaho was eventually admitted to the Union on July 3, 1890, becoming the 43rd state.

Forming part of the Pacific Northwest , Idaho is divided into several distinct geographic and climatic regions. The state's north, the relatively isolated Idaho Panhandle, is closely linked with Eastern Washington with which it shares the Pacific Time Zoneā€”the rest of the state uses the Mountain Time Zone. The state's south includes the Snake River Plain . The state's southeast incorporates part of the Great Basin. Idaho is quite mountainous, and contains several stretches of the Rocky Mountains. The United States Forest Service holds about 38% of Idaho's land, the highest proportion of any state.

Industries significant for the state economy include manufacturing, agriculture, mining, forestry, and tourism. A number of science and technology firms are either headquartered in Idaho or have factories there, and the state also contains the Idaho National Laboratory, which is the country's largest Department of Energy facility. Idaho's agricultural sector supplies many products, but the state is best known for its potato crop, which comprises around one-third of the nationwide yield. The official state nickname is the "Gem State", which references Idaho's natural beauty.

Zip Codes in Idaho

Zip Code
City
County
Map
Pocatello
Pocatello
Fort Hall
Pocatello
Pocatello
Pocatello
Pocatello
Aberdeen
American Falls
Arbon
Arco
Arimo
Atomic City
Bancroft
Basalt
Blackfoot
Bloomington
Challis
Clayton
Clifton
Cobalt
Conda
Dayton
Downey
Ellis
Firth
Franklin
Georgetown
Grace
Holbrook
Howe
Inkom
Lava Hot Springs
Mccammon
Mackay
Malad City
Montpelier
Moore
Moreland
Pingree
Preston
Rockland
Saint Charles
Shelley
Soda Springs
Springfield
Stanley
Swanlake
Thatcher
Wayan
Weston
Fish Haven
Twin Falls
Rogerson
Twin Falls
Albion
Bellevue
Bliss
Burley
Carey
Castleford
Corral
Declo
Dietrich
Fairfield
Gooding
Hagerman
Hailey
Hazelton
Heyburn
Hill City
Jerome
Ketchum
Kimberly
Malta
Minidoka
Murtaugh
Oakley
Picabo
Richfield
Rupert
Shoshone
Sun Valley
Sun Valley
Wendell
Idaho Falls
Idaho Falls
Idaho Falls
Idaho Falls
Idaho Falls
Idaho Falls
Idaho Falls
Ashton
Chester
Driggs
Dubois
Felt
Island Park
Lewisville
Macks Inn
Monteview
Newdale
Parker
Rexburg
Rexburg
Roberts
Saint Anthony
Spencer
Sugar City
Swan Valley
Terreton
Teton
Tetonia
Victor
Rexburg
Carmen
Gibbonsville
Leadore
Lemhi
North Fork
Salmon
Tendoy
Shoup
Lewiston
Ahsahka
Cottonwood
Craigmont
Culdesac
Elk City
Ferdinand
Grangeville
Fenn
Greencreek
Juliaetta
Kamiah
Kendrick
Kooskia
Lucile
Nezperce
Orofino
Pollock
Reubens
Riggins
Stites
White Bird
Winchester
Atlanta
Banks
Bruneau
Caldwell
Caldwell
Caldwell
Cambridge
Cascade
Council
Donnelly
Eagle
Emmett
Fruitland
Garden Valley
Glenns Ferry
Grand View
Greenleaf
Hammett
Homedale
Horseshoe Bend
Huston
Idaho City
Indian Valley
King Hill
Kuna
Lake Fork
Letha
Lowman
Mccall
Marsing
Melba
Meridian
Mesa
Middleton
Midvale
Meridian
Mountain Home
Mountain Home A F B
Murphy
Nampa
Nampa
Nampa
New Meadows
New Plymouth
Notus
Ola
Parma
Payette
Placerville
Star
Sweet
Warren
Wilder
Yellow Pine
Meridian
Nampa
Nampa
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Garden City
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Boise
Bayview
Blanchard
Bonners Ferry
Bovill
Calder
Careywood
Cataldo
Clark Fork
Clarkia
Cocolalla
Coeur D Alene
Coeur D Alene
Coeur D Alene
Coolin
Oldtown
Deary
Desmet
Dover
Eastport
Elk River
Fernwood
Genesee
Harrison
Harvard
Hayden
Kellogg
Kingston
Kootenai
Laclede
Medimont
Moscow
Moscow
Moyie Springs
Mullan
Naples
Nordman
Osburn
Pinehurst
Plummer
Ponderay
Porthill
Post Falls
Potlatch
Priest River
Princeton
Rathdrum
Sagle
Saint Maries
Sandpoint
Colburn
Santa
Silverton
Smelterville
Spirit Lake
Tensed
Troy
Viola
Wallace
Murray
Worley
Post Falls