There is one unique ZIP code in Foster City, Michigan and it is 49834. Area code: 906.
1
ZIP codes
76.24
sq mi land
1.78
sq mi water
906
area code
Foster City, MI ZIP code map
About Foster City, MI
Foster City is a small unincorporated community located in Dickinson County in the Upper Peninsula of Michigan, served by the single ZIP code 49834. Nestled among the forests and rural landscapes that define Michigan's Upper Peninsula, Foster City offers residents and visitors a quiet, close-knit environment far removed from the bustle of larger urban centers. The community is part of the broader region known for its natural beauty, outdoor recreation, and rich logging and mining heritage that shaped much of the Upper Peninsula's development.
Location & geography
Foster City is situated in Dickinson County in the central portion of Michigan's Upper Peninsula, positioned in a region characterized by dense mixed forests, rolling terrain, and numerous inland waterways. The community lies within reasonable driving distance of Iron Mountain, the county seat of Dickinson County, which sits roughly to the south and serves as the region's primary hub for commerce and services. The area encompasses 76.24 square miles of land and 1.78 square miles of water, reflecting the presence of streams, ponds, and wetlands that are typical of the Upper Peninsula's well-watered landscape.
Community & economy
Foster City reflects the character of many small Upper Peninsula communities, where a strong sense of self-reliance, connection to the land, and pride in local heritage define daily life. The local economy has historically been tied to the timber and natural resource industries that drove settlement across Dickinson County, and outdoor pursuits such as hunting, fishing, snowmobiling, and hiking remain central to the way of life for residents today. Neighbors tend to know one another well in communities of this size, and the surrounding national forest land provides both a livelihood and a recreational backdrop that shapes the community's identity.
Transportation
The Upper Peninsula's highway network provides the primary means of travel in and around Foster City, with US-2 and US-141 being major routes that connect Dickinson County communities to the broader region. Ford Airport, located near Iron Mountain and Kingsford, serves as the nearest commercial airport offering regional air service, making it the most practical option for residents needing to travel by air. Personal vehicles are essential in this rural area, as public transit options are extremely limited throughout the sparsely populated Upper Peninsula.
History
Foster City was established during the late nineteenth century as the timber industry expanded rapidly across Michigan's Upper Peninsula, drawing workers and settlers into the region's dense forests in search of economic opportunity. Like many communities in Dickinson County, the area's growth was closely tied to the logging boom that cleared vast tracts of forest throughout the region during that era. Over time, as the timber industry declined, the community transitioned into a quieter rural settlement, retaining its character as a small, stable community within the forested landscape of the Upper Peninsula.
Did you know?
Foster City's total area of over 76 square miles makes it geographically expansive relative to its modest population, meaning that residents enjoy an unusually high ratio of surrounding wilderness and open land per person compared to most Michigan communities. This abundance of undeveloped land makes the area a hidden gem for outdoor enthusiasts seeking solitude in Michigan's Upper Peninsula without the crowds found at more well-known destinations.
