331 Area Code
The 331 area code is a North American telephone area code for Illinois, covering the Chicago suburbs, located in Cook, Dupage, Oswego, Kane, Will and parts of Kendall, DeKalb and McHenry counties. The “331” area code was created in 2007 as an overlay for the existing “630” area code running out of available phone numbers.
What cities are included in the 331 area code?
The “331” area code includes a variety of cities, towns and communities across several counties. Some major cities included in the 331 area code are Aurora, Naperville, and Wheaton. Other areas included are Elgin, Joliet, Bolingbrook, Downers Grove, St. Charles, Westmont, and Woodridge. You can check if your city or town is included in the “331” area code by checking the official area code map.
What counties utilize the 331 area code?
The “331” area code covers portions of nine counties in Illinois. These counties are Cook, Dupage, Oswego, Kane, Will, Kendall, DeKalb, McHenry, and the very small portion of La Salle, with a total population of over 4 million.
Which cities and towns have the most population in the 331 area code?
According to the most recent census data, Aurora is the most populous city in the “331” area code, with over 200,000 people. Naperville follows with around 150,000 residents and Joliet with a little over 100,000 inhabitants. Other cities like Elgin, Downers Grove, and Wheaton have significant populations within the “331” area code.
All Cities and Towns in the 331 Area Code
- Aurora
- Naperville
- Joliet
- Elgin
- Downers Grove
- Wheaton
- Bolingbrook
- St. Charles
- Woodridge
- Oswego
- Geneva
- Lisle
- Oswego
- Plainfield
- Romeoville
- Sugar Grove
- West Chicago
- Westmont
- Winfield
- Yorkville
- Eola
- Glen Ellyn
- Hinckley
- Homer Glen
- Kaneville
- La Salle
- McHenry
- Millbrook
- Mooseheart
- Montgomery
- Newark
- Ogden
- Plainfield
- Somonauk
- Union
- Shabbona
- Somonauk
- Sugar Grove
- Montgomery
- Sandwich
- Newark
- Batavia
- Sandwich
- Seneca
- Somonauk
- Elburn
- Geneva
- Morris
- Oswego
- Seneca
- Union Hill
- Arlington Heights
- Elgin
- Des Plaines
- Barrington
- Fox Lake
- Gardner
- DeKalb
- Burlington
- Ashley
- Burr
- Burr Lake
- Channahon
- Charter Grove
- Clarendon Hills
- Crest Hill
- Lynwood
- Hebron
- Kildeer
- Cortland
- Create
- Lafox
- DeKalb
- Earlville
- Downers Grove
- Homer
- Eola
- Fort Sheridan
- Kendall
- Eola
- Lagrange
- Libertyville
- Lockport
- Lombard
- Maple Park
- Hampshire
- McCook
- Millbrook
- Cornland
- Minooka
- Mokena
- Morris
- Niles
- Illinois City
- Ransom
- Richmond
- Richton Park
- Sandwich
- South Elgin
- Steger
- Stone Park
- Warrenville
- Western Springs
- Winthrop Harbor
- Willowbrook
- Woodridge
- Franklin Park
- Lagrange Highlands
- Lake Zurich
- North Aurora
- Park Ridge
- Shabbona
- Sycamore
Population, geography, and climate of 331 area code
As of 2021, the estimated population of the “331” area code is over 4 million people, with a population density of 1,772 people per square mile. The geography of the area code varies, from urban and suburban areas to rural farmland and forests. The climate in the 331 area code is characterized by cold, snowy winters and hot, humid summers, with an average of 188 sunny days per year. The overall cost of living in the area code is slightly higher than the national average.
Tourist attractions in the 331 area code
The “331” area code offers a variety of tourist attractions for visitors. Some of the most popular destinations include:
- Brookfield Zoo – Located in Brookfield, this zoo houses over 2,000 animals and has been a favourite attraction for over 90 years.
- Morton Arboretum – This 1,700-acre botanical garden features over 4,000 plant species and is a great scenic attraction during any season.
- Cantigny Park – A popular historic destination, Cantigny Park includes a museum, gardens, and golf courses.
- Hollywood Casino Aurora – This casino offers visitors gaming, entertainment, and dining options.
- Naper Settlement – This open-air museum showcases the history and culture of Naperville through various exhibits and events.
- Riverwalk – Located in Naperville, this scenic walkway along the DuPage River is a popular spot for outdoor recreation and events.
- Hollywood Casino Joliet – This casino offers visitors gaming, dining, and entertainment options.
- Water Street Studios – This art gallery and community art centre in Batavia showcases a variety of local and regional artists.
- Kline Creek Farm – This living history farm in West Chicago offers tours and demonstrations of life on a farm in the 1890s.
- SEBA Park – Located in St. Charles, this park offers outdoor recreational activities, including fishing, paddle boating, and hiking.
Education in 331 area code
The 331 area code houses several excellent educational institutions, including school districts, colleges, and universities. Some of the top-ranked school districts in the area include Indian Prairie School District 204, Naperville CUSD 203, and St. Charles CUSD 303. As for higher education, notable institutions include Aurora University, North Central College, and College of DuPage.
Healthcare in 331 area code
The “331” area code has diverse healthcare options available for its residents. Some of the top-rated hospitals in the area include Edward Hospital in Naperville, Northwestern Medicine Central DuPage Hospital in Winfield, and Rush Copley Medical Center in Aurora. There are also many private practices, clinics, and urgent care centres throughout the area.
Government and administration for 331 area code
Local city and county governments mostly govern the “331” area code. Some cities have a mayor and city council, while others have a village president and board of trustees. Additionally, the area code is represented in the U.S. House of Representatives by the 14th district of Illinois, currently held by Lauren Underwood. Residents can contact their city or county government for information on local events, policies, and services.
Area codes and zip codes in the 331 area code
In addition to the “331” area code, there are three other area codes that serve different parts of Illinois, including “815,” “630,” and “872.” The zip codes within the “331” area code range from 60103 to 60585, with some exceptions. Residents can easily find their specific zip code by searching online or using a zip code directory.
Frequently Asked Questions (FAQs)
1. How do I know if the “331” area code covers my area?
You can check the official area code map or contact your phone service provider for detailed information on area code coverage.
2. Can I keep my current phone number if I move to a different city within the “331” area code?
If you move to a different location within the “331” area code, you can keep your current phone number. However, if you move to a different area code, you must get a new phone number.