Explore Montana’s Postal Codes by City
Looking up ZIP codes in Montana can help you find towns, plan a move, understand local markets, or conduct business. This city-by-city guide covers Montana ZIP codes and helps you navigate through postal zones with ease. With over 100 postal codes across the state, Montana has a spread that reflects its wide-open landscapes and small-town charm.
Whether you're mailing a package, analyzing real estate markets, or targeting a region for service coverage, this ZIP code resource gives you a complete view of Montana's postal geography.
Why Knowing ZIP Codes in Montana Matters
Montana is large in land, but dispersed by population. Accurate ZIP code information is essential when it comes to:
- Sending and receiving mail efficiently
- Planning localized marketing campaigns
- Setting up delivery areas for eCommerce
- Researching housing markets and property values
- Finding school districts and municipal services
By understanding Montana’s postal code system, you can connect with the right regions exactly when it matters most.
Major Cities in Montana and Their ZIP Codes
Billings, MT ZIP Codes – Largest City in Montana
Billings, the largest city in Montana by population, has several ZIP codes. It serves as an economic hub with multiple subdivisions, each with its own code:
- 59101 – Central and South Billings
- 59102 – West Billings
- 59105 – Heights Area in the Northeast
- 59106 – Newer developments in the West End
Use these codes when navigating real estate or setting up deliveries.
Missoula, MT Postal Codes – Western Cultural Center
Missoula is a college town and cultural center in western Montana. It's home to the University of Montana and several ZIP codes:
- 59801 – Central Missoula
- 59802 – North side and downtown
- 59803 – South Hills area
- 59804 – Target Range and Fort Missoula
- 59808 – West and Industrial Zones
It's crucial to choose the right ZIP when shipping or setting up local services here.
Bozeman, MT ZIP Codes – Fastest Growing Area
Bozeman is growing quickly, especially due to tech and education sectors. The city is known for its access to outdoor activities and strong economic development.
- 59715 – Downtown and South Side
- 59718 – West Bozeman and Four Corners
Bozeman’s rapid growth means postal code boundaries may shift, so staying current is important.
Great Falls, MT ZIP Codes – Military and Manufacturing Hub
- 59401 – Central
- 59404 – West
- 59405 – East and Malmstrom Air Force Base
Great Falls includes both residential areas and industrial sites. ZIP code accuracy is essential for business logistics here.
Helena ZIP Codes – Montana’s Capital City
Helena is the state capital and has a blend of government offices, historic neighborhoods, and suburban zones.
- 59601 – Central and South Helena
- 59602 – North Helena and Valley
When mailing or locating services in Helena, knowing specific ZIPs helps accuracy.
Smaller Cities and Rural ZIP Codes in Montana
Montana is full of small towns and rural communities. Each has its own unique ZIP code. These help define service areas, voting districts, and emergency response zones.
- Kalispell – 59901
- Whitefish – 59937
- Havre – 59501
- Glendive – 59330
- Sidney – 59270
- Lewistown – 59457
- Cody (border area) – 82414
For businesses and residents, knowing your exact ZIP is important in these less-populated areas to ensure accurate deliveries and services.
How Many ZIP Codes Are in Montana?
Montana has over 300 ZIP codes covering its vast terrain. From the peaks of the Rockies to the farmlands of the East, each ZIP represents a unique segment of the state. Some codes cover larger rural areas, while others reflect dense urban zones.
Range of ZIP codes in Montana:
- Lowest: 59001 (Absarokee)
- Highest: 59937 (Whitefish)
The 59XXX series is specific to Montana, helping you identify instant state-wide locations.
ZIP Code FAQs for Montana Cities
Which Montana city has the most ZIP codes?
Billings has the most ZIP codes in the state, spread across its growing metropolitan footprint. It's followed by Missoula, with five major ZIP codes.
Are Montana ZIP codes used for school districts?
Yes, although ZIP codes don't define school districts, they often overlap. Knowing a ZIP code can help you find the right public school assignments or location-specific programs.
How can I find a Montana ZIP code by address?
You can use official USPS tools or consult maps that align addresses with ZIP codes. Updates may affect new subdivisions and rural addresses.
Do ZIP codes always match city limits?
No. Some Montana ZIP codes cover areas outside official city limits. This is common in rural regions or where delivery routes take priority over municipal boundaries.
Tips for Using Montana ZIP Code Information
- Double-check the ZIP when sending legal or financial documents
- Use ZIPs to estimate shipping times and costs
- Segment mailing lists by ZIP to improve targeting
- Research property trends and census data by ZIP code
- Know the ZIP when enrolling in state-specific programs
ZIP code knowledge helps you stay connected, navigate services, and understand Montana regionally and practically.
Montana ZIP Code Highlights by Region
- Western Montana: Includes Missoula, Kalispell, and mountain communities (ZIPs starting with 598 and 599)
- Central Montana: Bozeman, Helena, and Great Falls (ZIPs like 596 and 594)
- Eastern Montana: Sidney, Miles City, and Glendive (ZIPs starting with 592 and 593)
- Southern Montana: Billings, Red Lodge, and Livingston (ZIPs in the 590 range)
Each region reflects different terrain, culture, and economy—ZIPs help define those borders.
Know Your Montana ZIP Code for Reliable Navigation
Whether you're managing logistics, reaching customers, or starting a new chapter in Montana, having the correct ZIP code is a critical detail. Montana’s postal map is rich and varied, just like its communities. Use this city-by-city ZIP code guide to keep your data current, your communications accurate, and your operations efficient.
In a state where small towns and big skies define daily life, even a single ZIP digit can make all the difference. Stay informed, and stay connected.
