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872 Area CodeChicago, IL

Area code 872 covers Chicago, Illinois: 2,715,043 people in Cook County, on Central Time (CT). It overlays 312 and 773.

Overview

Major City
Chicago
State
Illinois (IL)
Timezone
Central Time (CT)
Current Time
–:––
Overlay
Yes – shares area with 312, 773

Nearby Area Codes

Where is area code 872?

Overview of the 872 Area Code

Geographic Coverage of the 872 Area Code

Chicago Area Codes Overview

What cities does area code 872 cover?

CityStatePopulationPopulation in 872% of listed-city population% of City
ChicagoIL2,721,3082,664,351100.0%97.9%

City population is shown in full; each city's share inside 872 is measured from Census tract centroids.

What counties does area code 872 cover?

CountyStatePopulation in 872% of area-code footprint% of County
Cook CountyIL2,715,043100%51%
Sources:

Has area code 872 been reported for unwanted calls?

Yes – 1,757 FTC complaints, May 29 – Oct 1, 2026.

  • 68% robocalls
  • ↑ 4% vs prior period
  • FTC data, retrieved 2026-10-05

Most-reported subjects

  • Other39%691
  • Reducing your debt (credit cards, mortgage, student loans)34%606
  • Calls pretending to be government, businesses, or family and friends8%148

Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints.

Which prefixes and exchanges belong to area code 872?

22% assigned to a telco

  • 63% Landline
  • 37% Wireless
  • 0% Unknown
PrefixUsageCarrier
(872)201-WirelessVerizon Wireless
(872)202-WirelessNew Cingular Wireless Pcs
(872)203-LandlineBandwidth.Com Clec
(872)204-LandlineOnvoy
(872)205-LandlineBandwidth.Com Clec
(872)206-LandlineComcast Ip Phone
(872)207-LandlineBandwidth.Com Clec
(872)208-LandlineCenturylink Communications
(872)209-WirelessT-Mobile Usa
(872)210-WirelessT-Mobile Usa
(872)212-WirelessT-Mobile Usa
(872)213-LandlineOnvoy
(872)214-WirelessT-Mobile Usa
(872)215-WirelessVerizon Wireless
(872)216-LandlineBandwidth.Com Clec
(872)218-WirelessT-Mobile Usa
(872)219-LandlineOnvoy
(872)220-WirelessSprint Spectrum
(872)221-LandlineBandwidth.Com Clec
(872)222-WirelessNew Cingular Wireless Pcs
(872)223-WirelessSprint Spectrum
(872)225-LandlineOnvoy
(872)226-WirelessSprint Spectrum
(872)227-WirelessT-Mobile Usa
(872)228-WirelessNew Cingular Wireless Pcs
(872)229-WirelessT-Mobile Usa
(872)230-WirelessSprint Spectrum
(872)231-LandlineOnvoy
(872)232-WirelessSprint Spectrum
(872)233-WirelessT-Mobile Usa
(872)234-WirelessT-Mobile Usa
(872)235-WirelessT-Mobile Usa
(872)236-WirelessT-Mobile Usa
(872)237-WirelessSprint Spectrum
(872)238-WirelessT-Mobile Usa
(872)239-WirelessT-Mobile Usa
(872)240-WirelessVerizon Wireless
(872)241-LandlineTeleport Communications America
(872)242-LandlineMetropcs
(872)243-WirelessT-Mobile Usa
(872)244-LandlineAt&T
(872)245-LandlineVoip Innovations
(872)246-LandlineTeleport Communications America
(872)247-LandlineIllinois Bell Tel Co
(872)248-LandlineBandwidth.Com Clec
(872)249-LandlineLevel 3 Communications
(872)250-LandlineOnvoy
(872)251-WirelessT-Mobile Usa
(872)252-WirelessT-Mobile Usa
(872)253-LandlineOnvoy
(872)254-WirelessT-Mobile Usa
(872)255-LandlineVonage America
(872)256-LandlineBandwidth.Com Clec
(872)257-WirelessNew Cingular Wireless Pcs
(872)258-WirelessT-Mobile Usa
(872)259-LandlineLevel 3 Communications
(872)260-WirelessNew Cingular Wireless Pcs
(872)261-WirelessNew Cingular Wireless Pcs
(872)262-LandlineAt&T
(872)263-LandlineLevel 3 Communications
(872)264-LandlineBandwidth.Com Clec
(872)265-WirelessNew Cingular Wireless Pcs
(872)266-LandlineOnvoy
(872)267-LandlineAt&T
(872)268-LandlineHd Carrier
(872)269-LandlineBandwidth.Com Clec
(872)270-LandlineWhitesky Communications
(872)271-WirelessNew Cingular Wireless Pcs
(872)272-LandlineStratus Networks
(872)273-LandlineVonage America
(872)274-LandlineIp Horizon
(872)275-LandlineJive Communications
(872)276-WirelessVerizon Wireless
(872)277-LandlineBandwidth.Com Clec
(872)278-LandlineOnvoy
(872)279-LandlineUcomtel
(872)280-LandlineRadiantiq
(872)281-LandlineAt&T
(872)282-LandlineOnvoy
(872)283-LandlineRadiantiq
(872)284-LandlineHd Carrier
(872)285-LandlineOnvoy
(872)286-LandlineBandwidth.Com Clec
(872)287-WirelessT-Mobile Usa
(872)288-LandlineSkyetel
(872)289-LandlineWavenation
(872)290-LandlineBandwidth.Com Clec
(872)291-WirelessT-Mobile Usa
(872)292-WirelessT-Mobile Usa
(872)293-WirelessT-Mobile Usa
(872)294-WirelessT-Mobile Usa
(872)295-LandlineBandwidth.Com Clec
(872)296-LandlineOnvoy
(872)297-WirelessT-Mobile Usa
(872)298-LandlineTelnyx
(872)299-LandlineMcleodusa Telecommunication Services
(872)301-WirelessT-Mobile Usa
(872)302-LandlineOnvoy
(872)303-WirelessT-Mobile Usa
(872)304-LandlineOnvoy
(872)305-WirelessT-Mobile Usa
(872)306-LandlineOnvoy Spectrum
(872)307-WirelessT-Mobile Usa
(872)308-WirelessT-Mobile Usa
(872)310-WirelessT-Mobile Usa
(872)313-LandlineOnvoy
(872)314-LandlineBandwidth.Com Clec
(872)315-WirelessT-Mobile Usa
(872)316-WirelessVerizon Wireless
(872)317-LandlineTeleport Communications America
(872)318-LandlineTeleport Communications America
(872)319-WirelessT-Mobile Usa
(872)320-WirelessNew Cingular Wireless Pcs
(872)321-LandlineOnvoy Spectrum
(872)322-LandlineOnvoy Spectrum
(872)323-LandlineTeleport Communications America
(872)324-LandlineCommio
(872)325-WirelessT-Mobile Usa
(872)326-LandlineOnvoy
(872)327-LandlineOnvoy
(872)328-WirelessVerizon Wireless
(872)329-LandlineAt&T
(872)330-LandlineLeap Telecom
(872)332-LandlineFive9
(872)333-WirelessSprint Spectrum
(872)334-LandlineTon80 Communications
(872)336-LandlineFractel
(872)337-LandlineTon80 Communications
(872)342-LandlineFractel
(872)343-LandlineTon80 Communications
(872)345-LandlineFractel
(872)346-LandlineTon80 Communications
(872)348-LandlineOnvoy
(872)355-LandlineTon80 Communications
(872)356-LandlineOnvoy
(872)358-LandlineOnvoy
(872)362-LandlineFractel
(872)365-LandlineCommio
(872)367-LandlineFractel
(872)372-LandlineOnvoy
(872)395-WirelessNew Cingular Wireless Pcs
(872)400-WirelessNew Cingular Wireless Pcs
(872)401-WirelessT-Mobile Usa
(872)444-LandlineAt&T
(872)453-LandlineTon80 Communications
(872)463-LandlineTon80 Communications
(872)465-LandlineOnvoy
(872)469-LandlineOnvoy
(872)484-WirelessSprint Spectrum
(872)529-LandlinePeerless Network Of Illinois
(872)568-LandlineTon80 Communications
(872)588-WirelessNew Cingular Wireless Pcs
(872)600-WirelessSprint Spectrum
(872)627-LandlineTon80 Communications
(872)639-LandlineOnvoy
(872)664-LandlineTon80 Communications
(872)666-LandlinePeerless Network Of Illinois
(872)674-LandlineTon80 Communications
(872)678-LandlineTon80 Communications
(872)701-WirelessT-Mobile Usa
(872)702-WirelessSprint Spectrum
(872)703-WirelessT-Mobile Usa
(872)704-LandlineBandwidth.Com Clec
(872)706-WirelessT-Mobile Usa
(872)707-WirelessT-Mobile Usa
(872)710-LandlineOnvoy Spectrum
(872)713-LandlineBandwidth.Com Clec
(872)724-WirelessT-Mobile Usa
(872)731-WirelessT-Mobile Usa
(872)732-LandlineFractel
(872)757-WirelessT-Mobile Usa
(872)758-LandlineFractel
(872)760-LandlinePeerless Network Of Illinois
(872)762-LandlinePeerless Network Of Illinois
(872)763-LandlineBandwidth.Com Clec
(872)766-LandlineFractel
(872)769-WirelessVerizon Wireless
(872)772-WirelessVerizon Wireless
(872)777-LandlinePeerless Network Of Illinois
(872)800-WirelessSprint Spectrum
(872)801-WirelessT-Mobile Usa
(872)802-WirelessT-Mobile Usa
(872)803-WirelessT-Mobile Usa
(872)804-LandlinePeerless Network Of Illinois
(872)806-WirelessT-Mobile Usa
(872)808-WirelessT-Mobile Usa
(872)810-LandlineBandwidth.Com Clec
(872)813-LandlineBandwidth.Com Clec
(872)814-WirelessNew Cingular Wireless Pcs
(872)817-WirelessVerizon Wireless
(872)818-LandlineAt&T
(872)822-LandlineMetropcs
(872)825-LandlineIllinois Bell Tel Co
(872)829-LandlineOnvoy
(872)835-LandlineTon80 Communications
(872)838-LandlineOnvoy
(872)842-LandlineFractel
(872)843-LandlineIllinois Bell Tel Co
(872)844-LandlineMetropcs
(872)855-LandlineMetropcs
(872)867-LandlineCommio
(872)870-LandlineOnvoy
(872)871-LandlineMetropcs
(872)873-LandlineOnvoy
(872)877-LandlineOnvoy Spectrum
(872)888-LandlineXo Illinois
(872)895-LandlineTwilio International
(872)899-LandlineFractel
(872)901-LandlineMetropcs
(872)903-LandlineLevel 3 Telecom Of Illinois
(872)904-WirelessT-Mobile Usa
(872)910-LandlineRadiantiq
(872)946-LandlineFractel
(872)985-LandlineLevel 3 Telecom Of Illinois
(872)999-LandlineOnvoy

Frequently Asked Questions about the 872 Area Code

Who called me from a 872 number?

37% of its assigned prefixes are wireless. Largest holders: T-Mobile Usa, Onvoy, and Bandwidth.Com Clec.

Is 872 a scam area code?

Carriers hold 22% of its possible prefixes.

Why do I keep getting calls from the 872 area code?

Complaints rose 4% on the prior period.

Should I answer an unknown 872 number?

68% of its FTC complaints were robocalls. Its most-reported specific subject was "Reducing your debt (credit cards, mortgage, student loans)", at 34%.

How do I block calls from the 872 area code?

Blocking 872 still lets 312 and 773 numbers through.

Where is area code 872?

872 covers 1 city and 2,715,043 residents in Cook County, Illinois.

When did area code 872 go into service?

872 went into service on November 7, 2009. It was added to overlay 312. 773 also shares its territory.

Is 872 a real area code?

Yes: 36 carriers hold its prefixes, serving Chicago in Cook County.

What timezone is the 872 area code in?

872 is on Central Time (CT).

How do I call a 872 number from abroad?

Dial +1 872, then the number.

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