224 Area Code
The 224 area code is serving the northeastern part of Illinois and many northern suburbs of Chicago.
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The 224 area code is serving the northeastern part of Illinois and many northern suburbs of Chicago.
Federal Data
State Data
County Data
City Data
Area code 224 covers the northeastern part of Illinois and many northern suburbs of Chicago.
Area code 224 is an overlay of area code 847. This means that both area codes serve the same geographic region. Area code 847 was created on January 20, 1996. Area code 224 was assigned on January 5, 2002. Ten-digit dialing is required in all affected communities.
Area code 224 is a general purpose code which was placed in service on January 5, 2002.
Our Illinois phone number lookup service will analyze the three-digit prefix of any 224 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Illinois geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| T-MOBILE USA, INC. | 40 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 32 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 27 |
| ILLINOIS BELL TEL CO | 25 |
| SPRINT SPECTRUM, L.P. | 24 |
| COMCAST IP PHONE, LLC | 7 |
| AT&T CORP. | 6 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 6 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 4 |
| BANDWIDTH.COM CLEC, LLC - IL | 3 |
| FIRST COMMUNICATIONS, LLC - IL | 3 |
| ONVOY, LLC | 3 |
| FIRST COMMUNICATIONS, LLC | 2 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 2 |
| METROPCS, INC. | 2 |
| RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | 2 |
| AT&T - LOCAL | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 1 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - IL | 1 |
| LOCAL ACCESS LLC - IL | 1 |
| OVATION COMMUNICATIONS OF ILLINOIS, INC. | 1 |
| PAETEC COMMUNICATIONS, INC. - IL | 1 |
| XO ILLINOIS, INC. | 1 |
| YMAX COMMUNICATIONS CORP. - IL | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| NORTHBROOK | 28 |
| ARLIGTNHTS | 27 |
| DESPLAINES | 18 |
| WAUKEGAN | 17 |
| ELGIN | 14 |
| BARRINGTON | 10 |
| ALGONQUIN | 8 |
| DEERFIELD | 7 |
| ELK GROVE | 6 |
| GLENVIEW | 6 |
| SKOKIE | 6 |
| LAKEFOREST | 5 |
| LIBERTYVL | 5 |
| ROSELLE | 5 |
| WHEELING | 4 |
| EVANSTON | 3 |
| HUNTLEY | 3 |
| ZION | 3 |
| DUNDEE | 2 |
| FOX LAKE | 2 |
| HALF DAY | 2 |
| MUNDELEIN | 2 |
| ROUND LAKE | 2 |
| ANTIOCH | 1 |
| BARTLETT | 1 |
| CARY | 1 |
| GRAYSLAKE | 1 |
| HAMPSHIRE | 1 |
| HIGHLANDPK | 1 |
| LAKE VILLA | 1 |
| PALATINE | 1 |
| WAUCONDA | 1 |
| WILMETTE | 1 |
| WINNETKA | 1 |
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