Area code lookup

What area code is 872?
Here's everything about it.

Instant lookup for the 872 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.

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Caller ID · NPA-NXX-XXXXLive
Area code
872
Illinois state flag
Location
Chicago, IL
Local time
--:--:-- --
Chicago
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872 at a glance

Summary
State
Illinois
Time zone
Central (CT)
UTC offset
UTC−6 / −5 DST
Overlaid on
312
Overlaid on
773
Observes DST
Yes
Country
United States
In service since
2009
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Cities & regions served by 872

Chicago (overlay)
Chicago

1 community on record for 872.

Where 872 sits on the map

Overlay of 312, 773

Coverage area

872IL · Central (CT)

About the 872 region

872 covers Chicago in Illinois. The code has been in service since 2009.

872 itself is an overlay: it shares its territory with 312 and 773 and was introduced when those codes ran low on new number combinations. New lines may receive either code, calls between them are local, and 10-digit dialing is required across the region.

Overlay for 312 and 773, entered service on 7 November 2009.

Who called me from 872?

Community reports
No 872 reports yet — here is what to do in the meantime
  • Caller ID is trivially spoofed: an incoming call that displays 872 does not prove the caller is really in the 872 region or even in the United States.
  • Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
  • Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
  • When a 872 call pressures you to act immediately, hang up and contact the organization directly through its official number.

Be the first to add a community report for a 872 number below.

Got a call from 872 that isn't listed?

Frequently asked questions

FAQ
What area code is 872?+

872 is a telephone area code serving Chicago in Illinois, United States, in service since 2009.

Where is area code 872 located?+

It covers Chicago in Illinois.

What time zone is 872?+

872 observes Central (CT), which is UTC−6 / −5 DST and follows daylight saving time.

When did area code 872 start?+

872 entered service in 2009. Its history: overlay for 312 and 773, entered service on 7 November 2009.

Why does area code 872 exist?+

872 is an overlay of 312 and 773: it covers the exact same territory and was introduced when the original code ran low on new number combinations. New lines may receive either code, calls between them are local, and 10-digit dialing applies.

Is 872 a scam area code?+

Scam and robocall traffic can use any North American code, 872 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 872 number, and report anything suspicious.

Can I get a 872 phone number?+

Yes — most mobile carriers and VoIP providers let you request a 872 number regardless of where you physically live, although in an overlaid region you may be assigned 312 and 773 instead.

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