Area code 630 covers the Western Suburbs of Chicago in northeastern Illinois. It spans a large part of DuPage County and nearby areas. This code was introduced on August 3, 1996, after splitting from area code 708.

The 630 area code serves over 50 cities in the Chicago metro area. It includes major towns like Naperville, Aurora, and Wheaton, west of Chicago. This code’s creation reflected the region’s rapid growth and tech expansion.

In 2007, area code 331 was added to the same region as 630. This overlay required ten-digit dialing for all calls. The change helped meet the growing demand for phone numbers in the area¹².

Key Takeaways

• Covers majority of DuPage County in Illinois
• Serves over 50 cities in the Chicago area
• Implemented on August 3, 1996
• Overlaid with area code 331 in 2007
• Part of the North American Numbering Plan

Area Code 630 Location and Geographic Coverage

The 630 area code covers Chicago’s western suburbs in northeastern Illinois. It spans 61 cities across six counties, serving over 8.2 million residents³. This dynamic region connects multiple communities and counties.

Primary Cities and Regions

Several prominent cities define the 630 area code landscape, including:

• Aurora Illinois – the second-largest city in the region
• Naperville Illinois – known for its excellent quality of life
• Wheaton Illinois – a historic suburban community
• Downers Grove Illinois – a bustling suburban center

Boundary and County Coverage

The 630 area code spans multiple counties³:

1. DuPage County
2. Cook County
3. Kane County
4. Kendall County
5. Will County
6. Lake County

The area code shares an overlay with Area Code 331. This setup covers the same region and ensures ongoing connectivity as the population grows³⁴.

The 630 area code boasts 776 active prefixes. About 64.6% of these support landlines, while 35.4% are for wireless communication³. This split shows a strong telecom infrastructure in the region.

What Makes the 630 Area Code Region Unique

The 630 area code is a thriving economic hub in the Illinois Technology and Research Corridor. Bolingbrook stands out as a beacon of innovation and economic growth⁵. This area spans northeastern Illinois, showcasing a mix of tech advancements and industrial progress⁶.

The Illinois Technology and Research Corridor has several standout features:

• Strategic Geographic Location: Spanning from St. Charles to Bensenville⁵
• Robust Telecommunications Infrastructure⁶
• Diverse Economic Ecosystem

Major telecom providers have built strong networks in the region. These include AT&T, Verizon, T-Mobile, and Comcast⁶. They offer cutting-edge services to businesses and residents alike.

The competitive market allows for flexible options. These cater to both individual and corporate needs.

The 630 area code represents more than just a telephone designation — it’s a symbol of technological progress and economic opportunity.

Cities like Bolingbrook showcase the region’s innovative spirit. The area hosts many multinational corporate headquarters⁵. This creates a dynamic environment for professional growth and tech advancement.

The 630 area code region attracts businesses and innovators. Its strategic location and strong infrastructure create a supportive tech ecosystem⁶.

Conclusion

The 630 area code is a vital telecommunications hub in Western Suburbs Chicago. It covers a diverse region with over 2.5 million people across multiple counties. This area showcases a mix of economic strength and technological advancement⁷.

Naperville boasts a thriving corporate scene, while Aurora excels in manufacturing. Elgin and Schaumburg add their unique strengths to this diverse economic landscape. Together, they form a robust ecosystem of innovation and industry⁷.

The region’s importance goes beyond its borders. Northern Illinois University and healthcare providers like Advocate Aurora Health fuel growth. These institutions highlight the area’s potential for ongoing development⁷.

For more information about this fascinating region, check out comprehensive telecommunications resources. The 630 area code, part of the Illinois Technology and Research Corridor, continues to evolve. It represents a dynamic blend of innovation, industry, and community spirit⁷.

Source Links

1. Area codes 630 and 331 – https://en.wikipedia.org/wiki/Area_codes_630_and_331
2. 630 Area Code: Chicago Local Number | Callture – https://www.callture.com/local-numbers/usa/630-area-code.html
3. 630 Area Code – Location, Time, Map, Cities and Census Data – https://www.zip-codes.com/area-code/area-code-630.asp
4. Get a 630 Area Code Business Phone Number in Illinois – https://www.vitelglobal.com/local-numbers/illinois/630-area-code
5. GOODBYE, 708: SWITCH TO AREA CODE 630 IS COMPLETE – https://www.chicagotribune.com/1996/12/02/goodbye-708-switch-to-area-code-630-is-complete/
6. Comprehensive Guide to Area Code 630: Addison, Illinois – https://www.sent.dm/resources/area-code-630-addison-illinois
7. Where Is The 630 Area Code? Discover The Location Now – https://futurestudent.charlestonsouthern.edu/discoverborders-0048/where-is-the-630-area-code-discover-the-location-now.html