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area code

Biggest city:





Central (GMT -6)

Nearby area codes: 

Zip codes



Major Cities:

Aurora, Elgin, Geneva, Montgomery, Elburn, Kaneville, Joliet, Bolingbrook, Plainfield, Romeoville, Naperville, Wheaton, Elmhurst, Lombard, Carol Stream.


Average Income:





Unemployment Rate:

The 630 area code is a key component of Illinois's telecommunications network, serving a substantial part of the state and playing a crucial role in connecting its communities. Serving the Chicago Suburbs: Introduced in 1996 as a split from the 708 area code, the 630 area code covers parts of the Chicago metropolitan area, particularly the western suburbs. This includes cities and towns like Naperville, Aurora, and Wheaton. The 630 area code is essential for linking various communities within this densely populated and economically active region, facilitating communication across a mix of urban and suburban landscapes. Supporting a Diverse and Dynamic Population: The area served by the 630 area code is known for its mix of residential neighborhoods, business districts, and educational institutions. The region is economically diverse, hosting a range of industries from technology and finance to manufacturing and retail. The 630 area code supports the high volume of communication required by these industries and the diverse population of the area. Adapting to Urban Growth and Technological Changes: The introduction of the 630 area code was a response to the increasing demand for phone numbers in the Chicago suburbs, driven by population growth and the proliferation of mobile devices and internet services. This change reflects the area's adaptation to evolving communication needs and technological advancements, ensuring continued and efficient service for residents and businesses. The 630 area code represents the dynamic and varied communities of the Chicago suburbs, supporting a range of economic activities and cultural experiences, and playing a crucial role in the region's communication and connectivity.
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