State ZIP codes · MT
Montana ZIP Codes
Montana has 369 residential ZIP codes in 56 counties, with first three digits 590–599, plus 35 PO Box or single-organization ZIP codes (Census 2020 ZCTAs; GeoNames postal codes, October 2026).
- ACS2020-24
- Census2020
- GeoNames2026
Map of Montana's ZIP codes
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
Which Montana ZIP codes earn the most and least?
- Highest median household income
- 59716Big Sky · $141,716
- Lowest median household income
- 59845Hot Springs · $31,970
- Highest median home value
- 59730Gallatin Gateway · $1,014,200
- Lowest median home value
- 59526Harlem · $85,200
Highest and lowest among the ZIP codes of 1,000 or more people living in households, whose estimate's margin is at most 25% of it (a campus, a base or a ZIP code of a few hundred people does not lead).
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077); every residential ZIP code with an estimate.
Which Montana cities have the most ZIP codes?
ZIP codes by their first three digits
ZIP codes in each county of Montana
- Beaverhead County 10 ZIPs
- Big Horn County 18 ZIPs
- Blaine County 10 ZIPs
- Broadwater County 7 ZIPs
- Carbon County 13 ZIPs
- Carter County 10 ZIPs
- Cascade County 20 ZIPs
- Chouteau County 13 ZIPs
- Custer County 7 ZIPs
- Daniels County 5 ZIPs
- Dawson County 8 ZIPs
- Deer Lodge County 5 ZIPs
- Fallon County 5 ZIPs
- Fergus County 11 ZIPs
- Flathead County 19 ZIPs
- Gallatin County 14 ZIPs
- Garfield County 9 ZIPs
- Glacier County 4 ZIPs
- Golden Valley County 3 ZIPs
- Granite County 5 ZIPs
- Hill County 9 ZIPs
- Jefferson County 9 ZIPs
- Judith Basin County 12 ZIPs
- Lake County 15 ZIPs
- Lewis and Clark County 16 ZIPs
- Liberty County 7 ZIPs
- Lincoln County 7 ZIPs
- Madison County 18 ZIPs
- McCone County 6 ZIPs
- Meagher County 4 ZIPs
- Mineral County 6 ZIPs
- Missoula County 19 ZIPs
- Musselshell County 6 ZIPs
- Park County 11 ZIPs
- Petroleum County 5 ZIPs
- Phillips County 7 ZIPs
- Pondera County 6 ZIPs
- Powder River County 9 ZIPs
- Powell County 8 ZIPs
- Prairie County 7 ZIPs
- Ravalli County 10 ZIPs
- Richland County 9 ZIPs
- Roosevelt County 10 ZIPs
- Rosebud County 13 ZIPs
- Sanders County 11 ZIPs
- Sheridan County 11 ZIPs
- Silver Bow County 10 ZIPs
- Stillwater County 10 ZIPs
- Sweet Grass County 7 ZIPs
- Teton County 12 ZIPs
- Toole County 10 ZIPs
- Treasure County 3 ZIPs
- Valley County 13 ZIPs
- Wheatland County 6 ZIPs
- Wibaux County 2 ZIPs
- Yellowstone County 25 ZIPs
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file; GeoNames postal codes (CC BY 4.0).
Every ZIP code in Montana, by county
Download the 404 ZIP codes as CSV
Beaverhead
Big Horn
- 59016 Busby
- 59022 Crow Agency
- 59025 Decker
- 59031 Garryowen
- 59034 Hardin
- 59035 Fort Smith
- 59050 Lodge Grass
- 59064 Pompeys Pillar
- 59066 Pryor
- 59075 Saint Xavier
- 59089 Wyola
Blaine
Broadwater
Carbon
- 59007 Bearcreek
- 59008 Belfry
- 59013 Boyd
- 59014 Bridger
- 59026 Edgar
- 59029 Fromberg
- 59041 Joliet
- 59068 Red Lodge
- 59070 Roberts
- 59071 Roscoe
Carter
Cascade
- 59401 Great Falls
- 59402 Malmstrom Afb PO Box or unique
- 59403 Great Falls PO Box or unique
- 59404 Great Falls
- 59405 Great Falls
- 59406 Great Falls PO Box or unique
- 59412 Belt
- 59414 Black Eagle
- 59421 Cascade
- 59443 Fort Shaw
- 59463 Monarch
- 59465 Neihart
- 59472 Sand Coulee
- 59477 Simms
- 59480 Stockett
- 59483 Sun River
- 59485 Ulm
- 59487 Vaughn
Chouteau
Custer
Daniels
Dawson
Deer Lodge
Fallon
Fergus
- 59032 Grass Range
- 59424 Coffee Creek
- 59430 Denton
- 59441 Forest Grove
- 59451 Hilger
- 59457 Lewistown
- 59464 Moore
- 59471 Roy
- 59489 Winifred
Flathead
- 59901 Kalispell
- 59903 Kalispell PO Box or unique
- 59904 Kalispell PO Box or unique
- 59912 Columbia Falls
- 59913 Coram
- 59916 Essex
- 59919 Hungry Horse
- 59920 Kila
- 59921 Lake McDonald PO Box or unique
- 59922 Lakeside
- 59925 Marion
- 59926 Martin City
- 59927 Olney
- 59928 Polebridge
- 59932 Somers
- 59936 West Glacier
- 59937 Whitefish
Gallatin
- 59714 Belgrade
- 59715 Bozeman
- 59717 Bozeman PO Box or unique
- 59718 Bozeman
- 59719 Bozeman PO Box or unique
- 59730 Gallatin Gateway
- 59741 Manhattan
- 59752 Three Forks
- 59758 West Yellowstone
- 59760 Willow Creek
- 59771 Bozeman PO Box or unique
- 59772 Bozeman PO Box or unique
Garfield
Glacier
Golden Valley
Granite
Hill
Jefferson
Judith Basin
Lake
- 59824 Charlo
- 59855 Pablo
- 59860 Polson
- 59863 Ravalli
- 59864 Ronan
- 59865 Saint Ignatius
- 59910 Big Arm
- 59911 Bigfork
- 59914 Dayton
- 59915 Elmo
- 59929 Proctor
- 59931 Rollins
Lewis and Clark
- 59410 Augusta
- 59601 Helena
- 59602 Helena
- 59604 Helena PO Box or unique
- 59620 Helena PO Box or unique
- 59623 Helena
- 59624 Helena PO Box or unique
- 59625 Helena
- 59626 Helena PO Box or unique
- 59633 Canyon Creek
- 59635 East Helena
- 59636 Fort Harrison
- 59639 Lincoln
- 59640 Marysville
- 59648 Wolf Creek
Liberty
Lincoln
Madison
- 59710 Alder
- 59716 Big Sky
- 59720 Cameron
- 59729 Ennis
- 59735 Harrison
- 59740 McAllister
- 59745 Norris
- 59747 Pony
- 59749 Sheridan
- 59751 Silver Star
- 59754 Twin Bridges
- 59755 Virginia City
McCone
Meagher
Mineral
Missoula
- 59801 Missoula
- 59802 Missoula
- 59803 Missoula
- 59804 Missoula
- 59806 Missoula PO Box or unique
- 59807 Missoula PO Box or unique
- 59808 Missoula
- 59812 Missoula
- 59821 Arlee
- 59823 Bonner
- 59826 Condon
- 59834 Frenchtown
- 59846 Huson
- 59847 Lolo
- 59851 Milltown
- 59868 Seeley Lake
Musselshell
Park
- 59018 Clyde Park
- 59020 Cooke City
- 59027 Emigrant
- 59030 Gardiner
- 59047 Livingston
- 59065 Pray
- 59081 Silver Gate
- 59082 Springdale
- 59086 Wilsall
Petroleum
Phillips
Pondera
Powder River
Powell
Prairie
Ravalli
- 59827 Conner
- 59828 Corvallis
- 59829 Darby
- 59833 Florence
- 59835 Grantsdale PO Box or unique
- 59840 Hamilton
- 59841 Pinesdale
- 59870 Stevensville
- 59871 Sula
- 59875 Victor
Richland
Roosevelt
Rosebud
- 59004 Ashland PO Box or unique
- 59012 Birney
- 59039 Ingomar
- 59043 Lame Deer
- 59054 Melstone
- 59083 Sumatra
- 59323 Colstrip
- 59327 Forsyth
- 59333 Hathaway
- 59347 Rosebud
Sanders
- 59831 Dixon
- 59844 Heron
- 59845 Hot Springs
- 59848 Lonepine
- 59853 Noxon
- 59856 Paradise
- 59859 Plains
- 59873 Thompson Falls
- 59874 Trout Creek
Sheridan
- 59211 Antelope
- 59219 Dagmar
- 59242 Homestead
- 59247 Medicine Lake
- 59252 Outlook
- 59254 Plentywood
- 59256 Raymond
- 59257 Redstone
- 59258 Reserve
- 59275 Westby
Silver Bow
- 59701 Butte
- 59702 Butte PO Box or unique
- 59703 Butte PO Box or unique
- 59707 Butte PO Box or unique
- 59727 Divide
- 59748 Ramsay
- 59750 Butte
Stillwater
- 59001 Absarokee
- 59019 Columbus
- 59028 Fishtail
- 59057 Molt
- 59061 Nye
- 59063 Park City
- 59067 Rapelje
- 59069 Reed Point
Sweet Grass
Teton
Toole
Treasure
Valley
- 59225 Frazer
- 59230 Glasgow
- 59231 Saint Marie
- 59240 Glentana
- 59241 Hinsdale
- 59244 Larslan
- 59248 Nashua
- 59250 Opheim
- 59260 Richland
- 59273 Vandalia
Wheatland
Wibaux
- 59353 Wibaux
Yellowstone
- 59002 Acton
- 59006 Ballantine
- 59015 Broadview
- 59024 Custer
- 59037 Huntley
- 59044 Laurel
- 59079 Shepherd
- 59088 Worden
- 59101 Billings
- 59102 Billings
- 59103 Billings PO Box or unique
- 59104 Billings PO Box or unique
- 59105 Billings
- 59106 Billings
- 59107 Billings PO Box or unique
- 59108 Billings PO Box or unique
- 59111 Billings PO Box or unique
- 59112 Billings PO Box or unique
- 59114 Billings PO Box or unique
- 59115 Billings PO Box or unique
- 59116 Billings PO Box or unique
- 59117 Billings PO Box or unique
Source: U.S. Census Bureau 2020 ZCTAs; GeoNames postal codes for ZIP codes without a residential area.