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AREA CODE · ILLINOIS

Area code 224

Area code 224 covers Arlington Heights, Illinois. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Illinois Major City: Arlington Heights Central Time (CT) Overlay: 224/847
01 / WHERE IT IS

Where is area code 224?

Area code 224 is assigned to Arlington Heights and the surrounding region in Illinois. Calls to numbers that start with 224 are routed to this area.

Area code 224 shares its territory with 847. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Cook CountyLake CountyKane CountyMcHenry CountyDuPage County

Line types

  • Mobile 51.79%
  • Landline 48.21%
02 / MAP

Area code 224 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Arlington Heights

This area code is in the Central Time (CT) time zone.

Local timeArlington Heights, IL--:--:--

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America/ChicagoLive
04 / HOW TO DIAL

How to call Arlington Heights

WITHIN THE US224 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 224 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 224 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 224 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 224 555 0123
🇦🇺Australia0011 1 224 555 0123
🇯🇵Japan010 1 224 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 224

Share of the number blocks by carrier and line type.

Landline

Sinch
23%
AT&T
21%
Fractel
10%
Lumen Technologies
8%
Bandwidth
6%
Others
31%

Mobile

T-MOBILE USA
45%
AT&T Mobility
28%
Verizon Wireless
25%
Sinch
2%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 224

587 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(224) 200 Mobile Arlington Heights AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(224) 201 Mobile Arlington Heights AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(224) 202 Mobile Arlington Heights AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(224) 203 Mobile Northbrook Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
(224) 204 Landline Evanston SinchONVOY, LLC
(224) 205 Mobile Northbrook Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
(224) 206 Landline Libertyville SinchONVOY, LLC
(224) 207 Landline Libertyville First CommunicationsFIRST COMMUNICATIONS, LLC
(224) 208 Landline Bartlett SinchONVOY, LLC
(224) 209 Mobile Algonquin AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL

Showing 10 of 587 prefixes

07 / FAQ

Frequently asked questions about area code 224

Where is area code 224 used?
Area code 224 serves Arlington Heights and the surrounding area in Illinois, including Cook County, Lake County, Kane County, McHenry County, DuPage County.
What city is area code 224 from?
The main city of area code 224 is Arlington Heights, IL.
What time zone is area code 224 in?
Area code 224 is in the Central Time (CT) time zone (America/Chicago).
Is 224 an overlay area code?
Yes. It shares its territory with 847. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 224 from the United States?
Dial the 10 digits: 224 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 224 number from another country?
Dial your country's exit code (or +), then 1, then 224 and the seven-digit number. From a mobile you can use +1 224 XXX XXXX.
Which carriers use area code 224?
Most landline blocks belong to Sinch and most mobile blocks to T-MOBILE USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 224 for landlines, mobiles or both?
Both. About 48.21% of the number blocks are landline, 51.79% mobile.
How do I save a 224 number in WhatsApp or my phone?
Save it in international format: +1 224 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 224?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

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Other area codes in Illinois

217 · Springfield309 · Peoria312 · Chicago331 · Aurora447 · Danville464 · Tinley Park618 · Collinsville630 · La Grange708 · La Grange730 · Centralia773 · Chicago779 · Rockford815 · Rockford847 · Northbrook872 · Chicago

View all Illinois area codes →