ILLINOIS · AREA CODE GUIDE
224 area code location: Elgin and Elk Grove, Illinois
- Local date and time
- Central Time
Map data: HSIP (2010) · NANPA · US Census Bureau, checked 26 September 2026. Boundaries are approximate.
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Download the 224 area code map
A printable area code 224 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.
224 area code at a glance
- State
- Illinois
- Primary cities
- Elgin, Elk Grove, and Waukegan
- Established
- Population
- Largest community: Elgin, 115,476 (2025)Not an area-code population.
- Prefixes in service
- 591 as of 13 October 2026
An area code does not show where a caller is now.
History
Country and calling code: United States (+1).
Parent code: 847.
New code planned: No, as of 22 September 2026.
- : 224 added as an overlay on 847
Time zone
- Central Time
- Standard time UTC−06:00
- Daylight saving time UTC−05:00
Counties and cities covered
224 numbers are issued across 40 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.
Counties of the communities we could place (the code may reach further): Cook County, Lake County, Kane County, McHenry County, and DuPage County.
- Elgin
- Elk Grove
- Waukegan
- Evanston
- Arlington Heights
- Skokie
- Palatine
- Dundee
- Des Plaines
- Glenview
- Park Ridge
- Wheeling
- Northbrook
- Mundelein
- Algonquin
- Highland Park
- Huntley
- Wilmette
- Zion
- Roselle
- Grayslake
- Libertyville
- Lake Zurich
- Lake Forest
- Deerfield
15 more communities
- Round Lake
- Bensenville
- Franklin Park
- Cary
- Antioch
- Wauconda
- Winnetka
- Fox Lake
- Barrington
- Hampshire
- Glencoe
- Lake Villa
- Half Day
- Pistakee Highlands
- Plato Center
Notable places in 224
| Place | Where | What it is |
|---|---|---|
| O'Hare International Airport | 4.0 km from Bensenville | Commercial airport, 38,575,693 enplanements (2024) |
| Allstate Arena | 3.4 km from Des Plaines | Arena |
| Six Flags Great America | 5.2 km from Waukegan | Amusement park |
| Chicago Botanic Garden | 2.6 km from Glencoe | Botanical garden |
| Chicago Executive Airport | 2.2 km from Wheeling | Airport |
| Illinois Holocaust Museum and Education Center | 2.9 km from Skokie | Museum |
| Judson University | 3.9 km from Elgin | University, 1,231 12-month enrollment (2023–24) |
| Trinity Evangelical Divinity School | 4.3 km from Deerfield | University |
| Waukegan Regional Airport | 4.4 km from Zion | Airport |
| Naval Air Station Glenview | 0.7 km from Glenview | Military base |
Area code 224
224 started service on .It came from 847.
Its numbers are issued in the same communities as 847.
No new code is planned for the region as of .
Area code 847 has its own page.
Questions about 224
Where is the 224 area code?
224 is in Illinois. Its numbers are issued in Elgin, Elk Grove, Waukegan, and 37 other communities.
What time zone is area code 224 in?
224 is in Central Time. Daylight saving time is observed.
Is 224 an overlay?
Yes. 224 was added as an overlay on 847 on 5 January 2002.
What cities are in the 224 area code?
Elgin, Elk Grove, Waukegan, Evanston, and Arlington Heights, and 35 other communities.
What state is area code 224 in?
Area code 224 is in Illinois.
What counties are covered by area code 224?
Area code 224 covers communities in Cook County, Lake County, Kane County, McHenry County, and DuPage County.
Is 224 a toll-free area code?
No. 224 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.
Sources: NANPA area code listing, NANPA places by area code, NANPA central office code assignments, U.S. Census Bureau population estimates, OMB metropolitan area delineations. Checked .
Business phone numbers in area code 224, answered by an AI agent
A local number for Elgin, Elk Grove, and Waukegan, Illinois, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.