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Where is the 224 Area Code?
The 224 area code is located in northeastern Illinois, United States, and primarily serves the north and northwest suburbs of Chicago, including Elgin, Arlington Heights, Buffalo Grove, and Schaumburg. It was introduced in 2002 as an overlay of the 847 area code to meet the growing demand for telephone numbers in the region. The area code covers a mix of suburban communities and exurban towns, supporting local communication across northeastern Illinois.
Key Locations within the 224 Area Code:
- Major Cities & Communities: Elgin, Waukegan, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove, Carpentersville, Wheeling, Park Ridge
- Counties (Partial or Complete Coverage): Cook, Lake, Kane, McHenry

Time Zone
The 224 area code in northeastern Illinois follows the Central Time Zone (CT). This includes Central Standard Time (CST, UTC−6) during the winter months and Central Daylight Time (CDT, UTC−5) during daylight saving time in the summer. Residents and businesses across the 224 region follow this time zone to stay aligned with local schedules and regional operations.
About the 224 Area Code in Illinois
The 224 area code serves northeastern Illinois as an overlay for the 847 area code. It covers parts of Cook, Lake, Kane, and McHenry counties, which are among the state’s most important economic regions. These areas are home to many professional services, healthcare, and manufacturing companies and form a core part of the Chicago metropolitan workforce. Although these counties occupy only a small portion of Illinois’ land area, they contribute significantly to the state’s overall economic output.
Key Economic Drivers in the 224 Region:
- Healthcare & Life Sciences: Advocate Aurora Health, Abbott Laboratories, AbbVie
- Insurance & Financial Services: Allstate Corporation, Discover Financial Services, Zurich North America
- Manufacturing & Industrial: The Middleby Corporation, Böhler‑Uddeholm, BPRex Healthcare Packaging
- Utilities & Infrastructure: Commonwealth Edison (ComEd)
History of 224 Area Code?
The 224 area code was established on January 5, 2002, as part of the North American Numbering Plan (NANP) to address the growing demand for phone numbers in northeastern Illinois. It was introduced as an overlay for the existing 847 area code, which was running out of available numbers due to rapid population growth and increased telecommunications needs.
As the 313th area code in service, 224 was one of the nine area codes introduced in 2002 and became the tenth area code in Illinois. Currently, the Prairie State has 17 area codes in total. This overlay system allows residents and businesses to have more options for local phone numbers while maintaining the existing 847 area code for current users.
Search 224 Area Code Virtual Phone Numbers
Purchase a 224 area code virtual phone number for your business in northeastern Illinois and establish a local presence without needing a physical office.
No Numbers Found
Some numbers require ID and address verification under local laws. Certain numbers also require A2P 10DLC registration to send SMS or MMS to the United States. Moreover, some numbers may not appear in this search because they are not generally offered to customers and are available only on request. Please Contact Support for assistance.

How Does a 224 Phone Number Work for Your Business?
A 224 area code functions as an overlay for the 847 region, letting businesses establish a local presence across northeastern Illinois. Businesses can easily manage calls via landlines, mobile phones, or a VoIP phone system. This keeps the business connected locally without requiring a physical office.
Because 224 overlays 847, all local calls require area-code dialing, which includes the area code plus the 7-digit number. Within the U.S., callers must dial 11 digits with a leading 1 (for example, 1-224-555-0123) for long-distance calls. Additionally, international callers should dial their country’s exit code, followed by the U.S. country code 1, and the 10-digit number.
Implementing a 224 area code is a practical way to establish a local presence without a physical office in the Chicago suburbs. It lets you keep personal numbers private while using professional features like business texting, call forwarding, and automated greetings. This setup ensures seamless communication with Illinois customers while maintaining a polished, professional image.

Nearby Area Codes for 224
Key Features of a 224 Area Code Virtual Phone Number
Multi-User Access
To ensure effective and seamless teamwork, allow multiple team members to access and manage the same number.
How to Get a 224 Phone Area Code With Calilio?
These simple steps will help you get your desired phone number with the area code 224 from Calilio.
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Create an account on Calilio & log in to your dashboard.
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Navigate to the left sidebar & click the plus symbol (+) located next to the Number section.
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You will land on the My Number page; select the United States as the country for a 224 area code number.
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Select the Number Type and then choose the Capabilities (SMS, Voice, MMS).
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Scroll down, choose an available number from the list, and click the Add to Cart button.
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In the final step, enter your name and click Confirm Purchase from the cart to complete payment and activate your virtual number.
Port Your Local 224 Phone Number to Calilio
Easily port your existing phone number with an Illinois area code to ensure uninterrupted service, and enjoy the benefits of a virtual phone system with Calilio.

Why Does Your Firm Need a 224 Phone Number?
A 224 phone number gives your firm a recognizable local presence in Elgin, helping you reach nearby customers, build trust, increase call response rates, and scale operations efficiently within the northeastern Illinois market.
Improves Pick Up Rate
Market Reach Expansion
Enhance Flexiblity
Local Presence
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Frequently Asked Questions
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