There are 5 unique ZIP codes in Great Falls, Montana. Area code: 406.
5
ZIP codes
813.80
sq mi land
5.96
sq mi water
406
area code
Great Falls, MT ZIP code map
About Great Falls, MT
Great Falls is a vibrant city located in the state of Montana, offering a rich blend of history and natural beauty. Nestled in Cascade County, it serves as an economic hub for the region. Known for its stunning waterfalls and proximity to the Missouri River, Great Falls is a delightful destination for both residents and visitors alike.
Location & geography
Great Falls lies in north-central Montana and covers a total land area of 813.80 square miles. The city is approximately 110 miles from Helena, the state capital, and about 185 miles from Billings, making it a central location in the state. It also includes 5.96 square miles of water, contributing to its picturesque landscape of rivers and parks.
Community & economy
The community of Great Falls is characterized by its friendly and welcoming residents, fostering a small-town atmosphere within a growing urban environment. The city hosts various industries, including healthcare, education, and agriculture, providing a stable economic base. Daily life in Great Falls features outdoor activities, civic events, and a robust arts scene, all contributing to a vibrant community culture.
Transportation
Great Falls is accessible via Interstate 15, which runs north-south through the city, and U.S. Highway 87, which provides additional access. The nearest major airport is Great Falls International Airport, offering regular flights to various destinations. Public transit options are available, enhancing connectivity within the city and surrounding areas.
History
Founded in the late 1800s, Great Falls has played a significant role in the development of the region, particularly with its hydroelectric power generated from its namesake waterfalls. Key industries historically included agriculture and mining, which spurred growth and prosperity in the area. Notable events, such as the arrival of the railroad in 1887, were pivotal in establishing Great Falls as a center for commerce.
Did you know?
One surprising fact about Great Falls is that it is home to the largest urban waterfall in the state of Montana. Additionally, the city is known for its numerous parks and recreational opportunities connected to the Missouri River, making it a hidden gem for nature enthusiasts.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What ZIP codes does Great Falls, MT have?
Great Falls, MT has 3 ZIP codes: 59401, 59404, 59405. Each ZIP code serves a distinct delivery area within the city and surrounding region.
What is the main ZIP code for Great Falls, MT?
The primary ZIP code for Great Falls, MT is 59401. The city uses area code 406 for phone service.
What county is Great Falls, MT in?
Great Falls is located in Cascade County, Montana.
How many ZIP codes are in Great Falls, MT?
Great Falls, MT has 3 ZIP codes.
What ZIP code should I use for mail going to downtown Great Falls near the Missouri River?
Downtown Great Falls, including the historic River District near the Missouri River, is primarily served by ZIP code 59401, which is the main commercial and civic center of the city.
Which ZIP code covers the area around Great Falls International Airport?
Great Falls International Airport and the surrounding northeast area of the city are located in ZIP code 59404, making it the appropriate ZIP code for airport-related addresses.
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