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area code

Biggest city:

Mason City




Central (GMT -6)

Nearby area codes: 

Zip codes



Major Cities:

Ames, Marshalltown, Mason City, Ottumwa, Grinnell.

Mason City

Average Income:





Unemployment Rate:

The 641 area code is a significant part of Iowa's telecommunications infrastructure, serving a large portion of the state and playing a crucial role in connecting its diverse communities. Serving Central and Eastern Iowa: Established in 2000 as a split from the 515 area code, the 641 area code covers central and eastern Iowa, including key cities and regions like Mason City, Marshalltown, and Ottumwa. The 641 area code is essential for linking various communities within these regions, facilitating communication across a landscape that includes both urban centers and rural areas. Region of Agricultural and Cultural Significance: The area served by the 641 area code is known for its agricultural lands and significant historical heritage. Cities like Mason City are known for their architectural landmarks, including works by Frank Lloyd Wright. The region is also important for its manufacturing and education sectors, with communities hosting important educational institutions. The 641 area code supports the high volume of communication required by these varied activities and communities. Adapting to Population Growth and Technological Changes: The introduction of the 641 area code was a response to the growing need for additional phone numbers in central and eastern Iowa. This change reflects the region's adaptation to evolving communication needs and technological advancements, ensuring continued and efficient service for its residents and businesses. The 641 area code is more than just a telecommunications feature; it represents the diverse landscapes and communities of central and eastern Iowa, playing a crucial role in connecting the region's agricultural, historical, and educational activities.
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