Idaho Zip Codes

269 zip codes in Idaho. Capital: Boise. Nickname: Gem State.

Quick Facts

Total ZIP codes: 269
Counties covered: 44
Cities and places: 218
Top cities by ZIP count: Boise, Idaho Falls, Pocatello
Time zone: Mountain and Pacific Time
Capital: Boise

Top ZIP Rankings in Idaho

Ranked top 10 lists by household income, population, and home value.

Idaho

Cheapest ZIP Codes

Idaho

Highest Income ZIP Codes

Idaho

Most Populated ZIP Codes

About Idaho Zip Codes

Idaho (ID), known as the Gem State, with its capital in Boise, contains 269 unique USPS ZIP codes distributed across 44 counties and 218 distinct cities and places. The state observes Mountain and Pacific Time. ZIP codes here cover residential addresses, PO box ranges, business districts, and unique large-volume customer codes.

The cities with the most ZIP codes in Idaho are Boise, Idaho Falls, Pocatello, Montpelier, North Fork. Larger metro areas use multiple ZIP codes to separate neighborhoods, business districts, and PO box ranges. The counties with the highest ZIP density are Ada County, Idaho County, Bonner County, Kootenai County, Shoshone County, reflecting both population and geographic spread.

Idaho ZIP codes range from 83201 to 83876. The first digit reflects the USPS national region and the next two narrow down to a sectional center facility that routes mail across the state. Use the lists below to browse every ZIP code by county or by city, or jump straight to a ZIP for population, income, housing, weather, and cost of living details.

Browse by County

Browse by Top Cities

Boise (9)
Idaho Falls (4)
Pocatello (3)
Montpelier (3)
North Fork (3)
Garden Valley (3)
Cambridge (3)
Nampa (3)
Blackfoot (2)
Ellis (2)
Grace (2)
Malad City (2)
Pingree (2)
Preston (2)
Soda Springs (2)
Twin Falls (2)
Burley (2)
Fairfield (2)
Shoshone (2)
Gooding (2)
Sun Valley (2)
Dubois (2)
Tetonia (2)
Cottonwood (2)
Culdesac (2)

All Zip Codes in Idaho

Ada County (14 ZIP codes)

Zip Code	City
83616	Eagle
83634	Kuna
83642	Meridian
83669	Star
83702	Boise
83703	Boise
83704	Boise
83705	Boise
83706	Boise
83709	Boise
83712	Boise
83713	Boise
83714	Garden City
83716	Boise

Adams County (4 ZIP codes)

Zip Code	City
83612	Council
83632	Cambridge
83643	Cambridge
83654	New Meadows

Bannock County (9 ZIP codes)

Zip Code	City
83201	Pocatello
83202	Pocatello
83204	Pocatello
83214	Arimo
83234	Downey
83245	Inkom
83246	Lava Hot Springs
83250	McCammon
83281	Preston

Bear Lake County (8 ZIP codes)

Zip Code	City
83220	Montpelier
83223	Bloomington
83238	Geneva
83239	Georgetown
83254	Montpelier
83261	Paris
83272	Saint Charles
83287	Montpelier

Benewah County (6 ZIP codes)

Zip Code	City
83824	Desmet
83830	Fernwood
83851	Plummer
83861	Saint Maries
83866	Santa
83870	Tekoa

Bingham County (9 ZIP codes)

Zip Code	City
83203	Fort Hall
83210	Aberdeen
83215	Blackfoot
83218	Basalt
83221	Blackfoot
83236	Firth
83262	Pingree
83274	Shelley
83277	Pingree

Blaine County (7 ZIP codes)

Zip Code	City
83313	Bellevue
83320	Carey
83333	Hailey
83340	Ketchum
83348	Picabo
83353	Sun Valley
83354	Sun Valley

Boise County (6 ZIP codes)

Zip Code	City
83602	Garden Valley
83622	Garden Valley
83629	Horseshoe Bend
83631	Idaho City
83637	Garden Valley
83666	Idaho City

Bonner County (13 ZIP codes)

Zip Code	City
83804	Blanchard
83809	Athol
83811	Clark Fork
83813	Cocolalla
83821	Coolin
83822	Newport
83836	Hope
83841	Laclede
83848	Nordman
83852	Ponderay
83856	Priest River
83860	Sagle
83864	Sandpoint

Bonneville County (8 ZIP codes)

Zip Code	City
83401	Idaho Falls
83402	Idaho Falls
83404	Idaho Falls
83406	Idaho Falls
83427	Iona
83428	Irwin
83443	Ririe
83449	Swan Valley

Boundary County (4 ZIP codes)

Zip Code	City
83805	Bonners Ferry
83826	Eastport
83845	Moyie Springs
83847	Naples

Butte County (3 ZIP codes)

Zip Code	City
83213	Arco
83244	Howe
83255	Moore

Camas County (3 ZIP codes)

Zip Code	City
83322	Fairfield
83327	Fairfield
83337	Gooding

Canyon County (11 ZIP codes)

Zip Code	City
83605	Caldwell
83607	Caldwell
83626	Greenleaf
83641	Melba
83644	Middleton
83651	Nampa
83656	Notus
83660	Parma
83676	Wilder
83686	Nampa
83687	Nampa

Caribou County (4 ZIP codes)

Zip Code	City
83217	Bancroft
83241	Grace
83276	Soda Springs
83285	Soda Springs

Cassia County (6 ZIP codes)

Zip Code	City
83311	Albion
83312	Almo
83318	Burley
83323	Burley
83342	Malta
83346	Oakley

Clark County (2 ZIP codes)

Zip Code	City
83423	Dubois
83446	Dubois

Clearwater County (6 ZIP codes)

Zip Code	City
83520	Ahsahka
83541	Lenore
83544	Orofino
83546	Pierce
83553	Weippe
83827	Elk River

Custer County (5 ZIP codes)

Zip Code	City
83226	Challis
83227	Clayton
83235	Ellis
83251	Mackay
83278	Stanley

Elmore County (6 ZIP codes)

Zip Code	City
83601	Atlanta
83623	Glenns Ferry
83627	Hammett
83633	Glenns Ferry
83647	Mountain Home
83648	Mountain Home

Franklin County (6 ZIP codes)

Zip Code	City
83228	Clifton
83232	Dayton
83237	Franklin
83263	Preston
83283	Grace
83286	Weston

Fremont County (7 ZIP codes)

Zip Code	City
83420	Ashton
83421	Chester
83429	Island Park
83433	Macks Inn
83436	Newdale
83445	Saint Anthony
83451	Teton

Gem County (3 ZIP codes)

Zip Code	City
83617	Emmett
83657	Ola
83670	Sweet

Gooding County (4 ZIP codes)

Zip Code	City
83314	Bliss
83330	Gooding
83332	Hagerman
83355	Wendell

Idaho County (13 ZIP codes)

Zip Code	City
83522	Cottonwood
83525	Elk City
83526	Ferdinand
83530	Grangeville
83533	Cottonwood
83536	Kamiah
83539	Kooskia
83542	Lucile
83547	Pollock
83549	Riggins
83552	Stites
83554	White Bird
83671	Warren

Jefferson County (7 ZIP codes)

Zip Code	City
83425	Hamer
83431	Lewisville
83434	Menan
83435	Monteview
83442	Rigby
83444	Roberts
83450	Terreton

Jerome County (3 ZIP codes)

Zip Code	City
83325	Eden
83335	Hazelton
83338	Jerome

Kootenai County (12 ZIP codes)

Zip Code	City
83801	Athol
83803	Bayview
83810	Cataldo
83814	Coeur D Alene
83815	Coeur D Alene
83833	Harrison
83835	Hayden
83842	Harrison
83854	Post Falls
83858	Rathdrum
83869	Spirit Lake
83876	Worley

Latah County (11 ZIP codes)

Zip Code	City
83535	Juliaetta
83537	Kendrick
83806	Bovill
83823	Deary
83832	Genesee
83834	Harvard
83843	Moscow
83855	Potlatch
83857	Princeton
83871	Troy
83872	Moscow

Lemhi County (9 ZIP codes)

Zip Code	City
83253	Ellis
83462	Carmen
83463	North Fork
83464	Leadore
83465	Lemhi
83466	North Fork
83467	Salmon
83468	Tendoy
83469	North Fork

Lewis County (4 ZIP codes)

Zip Code	City
83523	Craigmont
83543	Nezperce
83548	Culdesac
83555	Winchester

Lincoln County (3 ZIP codes)

Zip Code	City
83324	Shoshone
83349	Richfield
83352	Shoshone

Madison County (2 ZIP codes)

Zip Code	City
83440	Rexburg
83448	Sugar City

Minidoka County (3 ZIP codes)

Zip Code	City
83336	Heyburn
83347	Paul
83350	Rupert

Nez Perce County (4 ZIP codes)

Zip Code	City
83501	Lewiston
83524	Culdesac
83540	Lapwai
83545	Peck

Oneida County (2 ZIP codes)

Zip Code	City
83243	Malad City
83252	Malad City

Owyhee County (5 ZIP codes)

Zip Code	City
83604	Bruneau
83624	Grand View
83628	Homedale
83639	Marsing
83650	Melba

Payette County (3 ZIP codes)

Zip Code	City
83619	Fruitland
83655	New Plymouth
83661	Payette

Power County (3 ZIP codes)

Zip Code	City
83211	American Falls
83212	Arbon
83271	Rockland

Shoshone County (12 ZIP codes)

Zip Code	City
83802	Avery
83808	Calder
83812	Clarkia
83837	Kellogg
83839	Kingston
83846	Mullan
83849	Osburn
83850	Pinehurst
83867	Silverton
83868	Pinehurst
83873	Wallace
83874	Wallace

Teton County (4 ZIP codes)

Zip Code	City
83422	Driggs
83424	Tetonia
83452	Tetonia
83455	Victor

Twin Falls County (8 ZIP codes)

Zip Code	City
83301	Twin Falls
83302	Twin Falls
83316	Buhl
83321	Castleford
83328	Filer
83334	Hansen
83341	Kimberly
83344	Murtaugh

Valley County (4 ZIP codes)

Zip Code	City
83611	Cascade
83615	Donnelly
83638	McCall
83677	Yellow Pine

Washington County (3 ZIP codes)

Zip Code	City
83610	Cambridge
83645	Midvale
83672	Weiser

Frequently Asked Questions

How many ZIP codes does Idaho have?

Idaho has 269 ZIP codes spanning 218 cities and places across 44 counties.

What are the major cities in Idaho?

The cities with the most ZIP codes in Idaho are Boise, Idaho Falls, Pocatello, Montpelier, North Fork. Larger metro areas use multiple ZIP codes to cover individual neighborhoods.

Which county has the most ZIP codes in Idaho?

Ada County has the most with 14 ZIP codes. The next largest counties are Idaho County, Bonner County, Kootenai County, Shoshone County.

What time zone is Idaho in?

Idaho observes Mountain and Pacific Time.

What is the smallest ZIP code number in Idaho?

The lowest ZIP code in Idaho is 83201.

What is the largest ZIP code number in Idaho?

The highest ZIP code in Idaho is 83876.

How are ZIP codes structured in Idaho?

USPS ZIP codes are five digit numbers. The first digit indicates a broad U.S. region, the second and third narrow to a sectional center facility, and the last two identify a specific post office or delivery area. Idaho ZIP codes typically begin with "8".

What states border Idaho?

Idaho borders Montana, Wyoming, Utah, Nevada, Oregon, Washington.

Nearby States

Data Sources

Population, income, housing, age, and demographics: U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
ZIP to city and county mapping: USPS and HUD-USPS ZIP-County Crosswalk.
Time zones and area codes: IANA tz database and NANPA.
Elevation: U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
Last refreshed: 2026-05-18.

Methodology