224 Area Code

The 224 area code is a telephone code in the North American Numbering Plan (NANP). It was introduced in 2002 as an overlay to the 847 area code to address number shortages in the northern suburbs of Chicago, Illinois. Both 224 and 847 serve the same geographic region, requiring residents to use 10-digit dialing for all calls within the area.

Understanding the 224 Area Code

The 224 area code covers the northern Chicago metropolitan area, particularly the affluent suburbs along Lake Michigan and surrounding regions. It is widely used for residential, business, and mobile phone services. Since it�s an overlay, 847 and 224 numbers coexist in the same cities and towns.

224 Area Code Map and Geographic Location

The 224 area code map includes the northern suburbs of Chicago, extending through Lake County and parts of Cook County. This region is known for its residential communities, corporate headquarters, and proximity to the North Shore of Lake Michigan.

All Major Cities and Regions in the 224 Area Code

The 224/847 overlay serves many well-known Chicago suburbs, including:

  • Arlington Heights
  • Buffalo Grove
  • Des Plaines
  • Evanston
  • Glenview
  • Highland Park
  • Lombard
  • Mount Prospect
  • Northbrook
  • Palatine
  • Schaumburg
  • Skokie
  • Waukegan
  • Wilmette
  • Zion

ZIP Codes within the 224 Telephone Zone (Examples)

Representative ZIP codes in the 224 area include:

  • 60004 - Arlington Heights
  • 60015 - Deerfield
  • 60025 - Glenview
  • 60035 - Highland Park
  • 60048 - Libertyville
  • 60062 - Northbrook
  • 60067 - Palatine
  • 60085 - Waukegan
  • 60089 - Buffalo Grove
  • 60093 - Winnetka

Time Zone

The 224 area code is located in the Central Time Zone (CT). It observes Central Standard Time (CST, UTC-6) in winter and Central Daylight Time (CDT, UTC-5) in summer.

Dialing, Phone & Service Details

  • Local dialing: 10-digit dialing is required because of the 224/847 overlay.
  • Long-distance (within NANP): Dial 1 + area code + number.
  • International calls: Dial your exit code + 1 (U.S. country code) + 224 + 7-digit number.
  • Services: Landline, mobile, VoIP, and business telecommunications.

Why the 224 Area Code Matters

The 224 area code supports one of the busiest and most densely populated suburban regions in the Chicago metro area. The overlay with 847 ensures a continuous supply of phone numbers for homes, schools, corporations, and small businesses throughout northern Illinois.

What area code is 224? / Where's area code 224?

What area code is 224? � 224 is a telephone area code overlay with 847, serving the northern suburbs of Chicago, Illinois.

Where's area code 224? � It serves cities such as Arlington Heights, Evanston, Waukegan, Highland Park, and Northbrook.

Frequently Asked Questions (FAQ) about 224 Area Code

What is the 224 area code?

224 is an overlay to 847 that serves Chicago�s northern suburbs.

When was the 224 area code created?

It was created in 2002 as an overlay to 847.

Where is area code 224 located?

It covers the northern suburbs of Chicago, including Evanston, Arlington Heights, and Waukegan.

What time zone is 224 in?

Central Time Zone (CST/CDT).

Is 224 used for cell phones or landlines?

It is used for landlines, cell phones, VoIP, and business services.

Why does 224 require 10-digit dialing?

Because it is an overlay with 847, all local calls require 10-digit dialing.

224 Area Code