Talk to Gabi

CHICAGO-NAPERVILLE-ELGIN, IL-IN · METRO GUIDE

Chicago, IL area codes and answering service

Local date and time
Central Time
IowaWisconsin219630815847ChicagoAuroraNapervilleJoliet

Chicago, IL area codesCities marked: Chicago, Aurora, Naperville, Joliet.
Codes on this map
  • 219
  • 312 · 872
  • 630 · 331 Aurora, Naperville
  • 708 · 464
  • 773 · 872 Chicago
  • 815 · 779 Joliet
  • 847 · 224
Boundaries are approximate; area codes don't always follow city or county lines. Map data: the Homeland Security Infrastructure Program (HSIP, 2010) and the North American Numbering Plan Administrator (NANPA), checked 26 September 2026; US Census Bureau.
Chicago, IL area codes

Download the Chicago, IL area code map

A printable Chicago, IL area code location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.

Download PNG 1600 × 1726Download SVG

Chicago metro area codes at a glance

Metro area
Chicago-Naperville-Elgin, IL-IN
Population
9,434,123 (metro area; US Census Bureau metro area population estimates, 2025). Not an area-code population.
Time zones
Central

Area codes

Area codesCommunities in the metro areaMain communities
3121Chicago
7731Chicago
8721Chicago
224 and 84740Elgin, Elk Grove, Waukegan
331 and 63025Aurora, Naperville, Wheaton
464 and 70829Orland, Cicero, Oak Lawn
779 and 81540Joliet, Plainfield, Crystal Lake
21930Hammond, Gary, Portage

Area codes and location

163 communities in the Chicago metro area, largest first, with the area codes whose numbers are issued there. These are telephone exchange areas, which follow the phone network rather than city limits.

CommunityArea codes
Chicago312; 773; 872
Aurora331 and 630
Naperville331 and 630
Joliet779 and 815
Elgin224 and 847
Orland464 and 708
Elk Grove224 and 847
Waukegan224 and 847
Cicero464 and 708
Evanston224 and 847
Arlington Heights224 and 847
Hammond219
Gary219
Skokie224 and 847
Palatine224 and 847
Dundee224 and 847
Des Plaines224 and 847
Oak Lawn464 and 708
Tinley Park464 and 708
Berwyn464 and 708
Wheaton331 and 630
Oak Park464 and 708
Downers Grove331 and 630
Plainfield779 and 815
Glenview224 and 847
138 more communities
Elmhurst331 and 630
Lombard331 and 630
Crystal Lake779 and 815
Bartlett331 and 630
Dekalb779 and 815
Oswego331 and 630
Portage219
Park Ridge224 and 847
Wheeling224 and 847
Merrillville219
Crown Point219
Valparaiso219
Calumet City464 and 708
Northbrook224 and 847
Saint Charles331 and 630
Mundelein224 and 847
Algonquin224 and 847
Highland Park224 and 847
Hobart219
McHenry779 and 815
Huntley224 and 847
New Lenox779 and 815
Glen Ellyn331 and 630
Lansing464 and 708
Lockport779 and 815
Wilmette224 and 847
Yorkville331 and 630
Batavia331 and 630
Chicago Heights464 and 708
Woodstock779 and 815
East Chicago219
West Chicago331 and 630
Saint John219
Zion224 and 847
Maywood464 and 708
Roselle331 and 630; 224 and 847
Blue Island464 and 708
Frankfort779 and 815
Grayslake224 and 847
Geneva331 and 630
Libertyville224 and 847
Mokena464 and 708
Lake Zurich224 and 847
Harvey464 and 708
Lake Forest224 and 847
Deerfield224 and 847
Sycamore779 and 815
Brookfield464 and 708
Homewood464 and 708
Round Lake224 and 847
Bensenville331 and 630; 224 and 847
Lemont331 and 630
Bellwood464 and 708
Franklin Park224 and 847
Cary224 and 847
Hinsdale331 and 630
Cedar Lake219
Dyer219
La Grange464 and 708
Warrenville331 and 630
Antioch224 and 847
Morris779 and 815
Chesterton219
Wauconda224 and 847
Western Springs464 and 708
Lake Station219
Minooka779 and 815
Plano331 and 630
Winnetka224 and 847
Lowell219
Manhattan779 and 815
Fox Lake224 and 847
Summit464 and 708
Barrington224 and 847
River Grove464 and 708
Riverdale464 and 708
Harvard779 and 815
Itasca331 and 630
Sugar Grove331 and 630
Hampshire224 and 847
Riverside464 and 708
Glencoe224 and 847
Lake Villa224 and 847
Crete464 and 708
Marengo779 and 815
Sandwich779 and 815
Elburn331 and 630
Braidwood779 and 815
Coal City779 and 815
Willow Springs464 and 708
Rensselaer219
Wonder Lake779 and 815
Genoa779 and 815
Spring Grove779 and 815
Monee464 and 708
Palos Park464 and 708
Beecher464 and 708
Whiting219
Demotte219
Peotone464 and 708
Hebron219
Thornton464 and 708
Elwood779 and 815
Richmond779 and 815
Kouts219
Hinckley779 and 815
Somonauk779 and 815
Waterman779 and 815
Kirkland779 and 815
Kentland219
Maple Park779 and 815
Hebron779 and 815
Remington219
Gardner779 and 815
Malta779 and 815
Big Rock331 and 630
Morocco219
Mazon779 and 815
Newark779 and 815
Goodland219
Brook219
Wheatfield219
Shabbona779 and 815
Union779 and 815
Kaneville331 and 630
Lisbon779 and 815
Plattville779 and 815
Verona779 and 815
Mount Ayr219
Kinsman779 and 815
Garden Prairie779 and 815
Half Day224 and 847
Lake Village219
Lakes of the Four Seasons219
Pistakee Highlands224 and 847
Plato Center224 and 847
Roselawn219
Wheeler219

Notable places and their area codes

PlaceWhereWhat it isArea codes
University of Chicago8.8 km from ChicagoUniversity, 21,145 12-month enrollment (2023–24)773
O'Hare International Airport4.0 km from BensenvilleCommercial airport, 38,575,693 enplanements (2024)224 and 847
Art Institute of Chicago6.9 km from ChicagoMuseum312
United Center4.9 km from ChicagoStadium312
Soldier Field6.3 km from ChicagoStadium312
Midway International Airport8.0 km from ChicagoCommercial airport, 10,360,093 enplanements (2024)773
University of Illinois Chicago4.9 km from ChicagoUniversity, 36,493 12-month enrollment (2023–24)312
Wrigley Field12.6 km from ChicagoStadium773
Field Museum of Natural History6.5 km from ChicagoMuseum312
Illinois Institute of Technology4.8 km from ChicagoUniversity, 10,555 12-month enrollment (2023–24)312

Questions about Chicago metro area codes

How many area codes serve the Chicago metro area?

Twelve area codes serve the Chicago metro area: 219, 224, 312, 331, 464, 630, 708, 773, 779, 815, 847, and 872.

What time zone is the Chicago metro area in?

The Chicago metro area is in Central Time. Daylight saving time is observed.

Business phone numbers in Chicago, IL, answered by an AI agent

A local number for the Chicago metro area, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.

Build a Chicago, IL phone agentHow it works