There is one unique ZIP code in Fort Peck, Montana and it is 59223. Area code: 406.
1
ZIP codes
300.94
sq mi land
29.45
sq mi water
406
area code
Fort Peck, MT ZIP code map
About Fort Peck, MT
Fort Peck is a small community located in Valley County in the northeastern corner of Montana, best known for its massive earthen dam and the sprawling reservoir it creates. Served by a single ZIP code, 59223, Fort Peck sits within a vast and sparsely populated region of the American High Plains that draws visitors from across the country each year. Despite its modest size, the town carries remarkable historical and engineering significance that sets it apart from other rural Montana communities.
Location & geography
Fort Peck is situated in northeastern Montana along the Missouri River, roughly 20 miles south of Glasgow, the Valley County seat. The community covers a total land area of 300.94 square miles and an additional 29.45 square miles of water area, the latter largely attributable to Fort Peck Lake, one of the largest reservoirs in the United States. The terrain surrounding Fort Peck is characterized by rolling plains, rugged Missouri River Breaks, and dramatic badlands that give the region a remote, expansive character.
Community & economy
Fort Peck has the feel of a tight-knit government and recreation community, with many residents historically connected to the U.S. Army Corps of Engineers, which operates the dam and its associated facilities. Tourism and outdoor recreation play a central role in daily life, as anglers, boaters, hunters, and wildlife enthusiasts regularly pass through the area to access Fort Peck Lake and the Charles M. Russell National Wildlife Refuge. The community is quiet and unhurried, offering a lifestyle deeply rooted in the natural rhythms of the northern plains.
Transportation
The primary highway serving Fort Peck is Montana Highway 24, which runs north toward Glasgow and connects the community to U.S. Highway 2, the main east-west corridor across northern Montana. Glasgow's Wokal Field–Glasgow International Airport, located approximately 20 miles to the north, serves as the nearest commercial and general aviation facility for residents and visitors. There is no public transit service in the area, so personal vehicles are the standard means of transportation throughout this rural region.
History
Fort Peck takes its name from a 19th-century trading post established in the 1860s to serve the fur trade and Native American communities along the Upper Missouri River. The community gained national prominence during the Great Depression when the federal government launched construction of the Fort Peck Dam in 1933 as part of a major New Deal public works effort, attracting tens of thousands of workers to the remote plains. The dam, completed in 1940, remains one of the largest hydraulic fill dams ever constructed and was famously featured on the first cover of Life magazine in 1936.
Did you know?
Fort Peck Lake stretches approximately 134 miles in length and has a shoreline of nearly 1,520 miles, making it longer than the entire Pacific coastline of California. The Fort Peck area is also a significant paleontological hotspot, with the surrounding badlands having yielded some of the most important dinosaur fossil discoveries in North America, including specimens now housed in major natural history museums.
