There is one unique ZIP code in Frankfort, Kansas and it is 66427. Area code: 785.
1
ZIP codes
211.35
sq mi land
1.33
sq mi water
785
area code
Frankfort, KS ZIP code map
About Frankfort, KS
Frankfort, Kansas is a small, close-knit community located in the northeastern corner of the Sunflower State, serving as a quiet but proud representation of rural Kansas life. The city carries a single ZIP code, 66427, making it straightforward for residents and visitors to navigate postal services in the area. Frankfort sits within Marshall County and reflects the agricultural heritage and tight community bonds that define many of Kansas's smaller towns.
Location & geography
Frankfort is situated in Marshall County in northeastern Kansas, positioned near the Nebraska border in a region characterized by gently rolling hills and open prairies typical of the Great Plains. Nearby communities include Marysville, the Marshall County seat, located approximately 18 miles to the west, as well as Seneca to the south and Beatrice, Nebraska to the north across the state line. The city encompasses a total land area of 211.35 square miles alongside 1.33 square miles of water area, with small creeks and tributaries weaving through the surrounding countryside.
Community & economy
Frankfort embodies the warmth and resilience of a traditional Kansas agricultural community, where neighbors know one another and local events anchor the social calendar throughout the year. The local economy is driven primarily by farming and livestock operations, with crops such as corn, soybeans, and wheat defining the landscape for miles in every direction. Daily life in Frankfort revolves around its local schools, churches, and small businesses that keep the community self-sufficient and deeply rooted in its rural identity.
Transportation
Frankfort is accessible primarily via U.S. Highway 9, which runs through the area and connects the town to neighboring communities across northeastern Kansas and into Nebraska. State highways in the region also provide farm-to-market routes that are essential for the agricultural economy of the surrounding countryside. The nearest regional airport with commercial connections is Manhattan Regional Airport, located roughly 75 miles to the southwest, while larger travelers may opt for Kansas City International Airport for broader flight options.
History
Frankfort was established in the latter half of the 19th century as settlers moved into northeastern Kansas, drawn by the promise of fertile farmland and the expansion of the rail network across the Great Plains. The town grew as an agricultural service center, providing local farmers with essential goods, grain handling, and community infrastructure during the homesteading era. Like many small Kansas towns, Frankfort has weathered broader economic shifts over the decades while maintaining its identity as a steadfast rural community with deep historical roots.
Did you know?
Frankfort is one of the northernmost incorporated communities in Kansas, placing it in a unique geographic position where Kansas prairie culture meets the borders of Nebraska. The town's single ZIP code, 66427, covers an impressively broad land area of over 211 square miles, reflecting just how vast and open the surrounding rural landscape truly is.
