224 Area Code: Decoding Illinois Phone Numbers & Locations

Area code 224 is a telephone area code that serves northeastern Illinois, including the northern suburbs of Chicago. It’s used to identify the geographical area for phone communications.

Geographical Coverage and Overlay

Area code 224 is located in northeastern Illinois, mainly in Chicago’s northern suburbs. It provides phone service to many counties and cities in that region.

Area code 224 is what’s known as an overlay for area code 847. What that means is that they cover the same geographical area. The overlay system was put in place because of the increasing demand for new phone numbers.

Illinois Area Codes

Illinois uses a lot of area codes to make sure residents and businesses have phone numbers. Besides 224, other Illinois area codes include 217, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, and 872.

Area code 224 is just one piece of the larger phone system in the state.

Closing Thoughts

Area code 224 is more than just three digits; it’s an important identifier for northeastern Illinois, especially the Chicago suburbs. Knowing about area code 224 is crucial for effective communication and understanding the telecommunications infrastructure of Illinois.