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AREA CODE · ILLINOIS

Area code 872

Area code 872 covers Chicago, Illinois. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Illinois Major City: Chicago Central Time (CT) Overlay: 312/872
01 / WHERE IT IS

Where is area code 872?

Area code 872 is assigned to Chicago and the surrounding region in Illinois. Calls to numbers that start with 872 are routed to this area.

Area code 872 shares its territory with 312. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Cook County

Line types

  • Mobile 40.37%
  • Landline 59.63%
02 / MAP

Area code 872 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 Chicago

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

Local timeChicago, IL--:--:--

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America/ChicagoLive
04 / HOW TO DIAL

How to call Chicago

WITHIN THE US872 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+1 872 XXX XXXX

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

WHATSAPP / IMESSAGE+1 872 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+1 872 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 872 555 0123
🇦🇺Australia0011 1 872 555 0123
🇯🇵Japan010 1 872 555 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 872

Share of the number blocks by carrier and line type.

Landline

Sinch
33%
Bandwidth
12%
AT&T
11%
CoreTel Communications
8%
Fractel
7%
Others
29%

Mobile

T-MOBILE USA
59%
AT&T Mobility
25%
Verizon Wireless
8%
Sinch
6%
Shelcomm
1%
Others
1%

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 872

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

PrefixTypeCityCarrier
(872) 200 Mobile Chicago Zone 06-Kedzie T-MOBILE USAT-MOBILE USA, INC.
(872) 201 Mobile Chicago Zone 07-Stewart Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
(872) 202 Mobile Chicago Zone 01-Calumet AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(872) 203 Landline Chicago Zone 02-Edgewater BandwidthBANDWIDTH.COM CLEC, LLC - IL
(872) 204 Landline Chicago Zone 08-Portsmouth SinchONVOY, LLC
(872) 205 Landline Chicago Zone 06-Kedzie BandwidthBANDWIDTH.COM CLEC, LLC - IL
(872) 206 Landline Chicago Zone 04-Humboldt ComcastCOMCAST IP PHONE, LLC
(872) 207 Landline Chicago Zone 08-Portsmouth BandwidthBANDWIDTH.COM CLEC, LLC - IL
(872) 208 Landline Chicago Zone 02-Edgewater Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC
(872) 209 Mobile Chicago Zone 08-Portsmouth T-MOBILE USAT-MOBILE USA, INC.

Showing 10 of 270 prefixes

07 / FAQ

Frequently asked questions about area code 872

Where is area code 872 used?
Area code 872 serves Chicago and the surrounding area in Illinois, including Cook County.
What city is area code 872 from?
The main city of area code 872 is Chicago, IL.
What time zone is area code 872 in?
Area code 872 is in the Central Time (CT) time zone (America/Chicago).
Is 872 an overlay area code?
Yes. It shares its territory with 312. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 872 from the United States?
Dial the 10 digits: 872 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 872 number from another country?
Dial your country's exit code (or +), then 1, then 872 and the seven-digit number. From a mobile you can use +1 872 XXX XXXX.
Which carriers use area code 872?
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 872 for landlines, mobiles or both?
Both. About 59.63% of the number blocks are landline, 40.37% mobile.
How do I save a 872 number in WhatsApp or my phone?
Save it in international format: +1 872 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 872?
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

219Gary, IN262Waukesha, WI414Milwaukee, WI574South Bend, IN269Kalamazoo, MI616Grand Rapids, MI

Other area codes in Illinois

217 · Springfield224 · Arlington Heights309 · Peoria312 · Chicago331 · Aurora447 · Danville464 · Tinley Park618 · Collinsville630 · La Grange708 · La Grange730 · Centralia773 · Chicago779 · Rockford815 · Rockford847 · Northbrook

View all Illinois area codes →