618 Area code

--:-- CDT    AM/PM 24 hours

Standard time:	UTC/GMT -6:00 hours
Daylight saving time:	+1:00 hour
Current time zone offset:	UTC/GMT -5:00 hours
Time zone abbreviation:	CDT

DST starts on Sunday 12 March 2023, 02:00
DST ends on Sunday 05 November 2023, 02:00

The 618 area code lies within the Central Time (CT)

CST - Central Standard Time
CDT - Central Daylight Time when daylight saving time is being observed (from mid-March to early November)

618 Area code location map

St. Clair County

• Belleville
• Cahokia
• Swansea
• Mascoutah
• Centreville
• Freeburg
• Dupo
• Millstadt
• New Athens
• Marissa
• Westview

Madison County

• Granite City
• Alton
• Edwardsville
• Collinsville
• Godfrey
• Wood River
• Highland
• Bethalto
• Maryville
• Pontoon Beach
• Worden
• Marine
• Livingston

Jackson County

• Carbondale
• Murphysboro
• De Soto
• Elkville
• Ava

Williamson County

• Marion
• Herrin
• Johnston City
• Creal Springs

Jefferson County

• Mount Vernon
• Ina
• Bluford
• Dix
• Waltonville
• Belle Rive

Marion County

• Centralia
• Salem
• Sandoval
• Kinmundy
• Patoka
• Iuka
• Kell

Monroe County

• Waterloo
• Columbia
• Valmeyer

Richland County

• Olney
• Noble
• Parkersburg
• Claremont
• Calhoun
• Dundas

Saline County

• Harrisburg
• Eldorado

Randolph County

• Chester
• Sparta
• Red Bud
• Steeleville
• Coulterville
• Tilden
• Evansville
• Prairie du Rocher
• Ellis Grove
• Baldwin

Jersey County

• Jerseyville
• Grafton
• Fieldon

Franklin County

• West Frankfort
• Benton
• Christopher
• Thompsonville
• Macedonia

Crawford County

• Robinson
• Oblong
• Hutsonville
• Flat Rock
• Annapolis

Fayette County

• Vandalia
• Ramsey
• Brownstown
• Farina
• Shobonier

Wabash County

• Mount Carmel
• Allendale

Bond County

• Greenville
• Pocahontas
• Mulberry Grove

Massac County

• Metropolis
• Brookport
• Joppa

Perry County

• Pinckneyville
• Tamaroa

White County

• Carmi
• Norris City
• Crossville
• Enfield
• Maunie

Wayne County

• Fairfield
• Cisne
• Geff
• Mount Erie

Macoupin County

• Staunton
• Brighton
• Bunker Hill
• Shipman
• Medora

Clay County

• Flora
• Louisville
• Clay City
• Xenia
• Sailor Springs

Clinton County

• Breese
• New Baden
• Carlyle
• Trenton
• Germantown
• Hoffman
• Keyesport

Lawrence County

• Lawrenceville
• Bridgeport
• Birds
• Chauncey

Union County

• Anna
• Cobden

Washington County

• Nashville
• Okawville
• Irvington
• Hoyleton
• Ashley
• Addieville
• Oakdale

Jasper County

• Newton
• Rose Hill

Hamilton County

• McLeansboro
• Dahlgren
• Broughton

Alexander County

• Cairo
• Olive Branch
• Tamms
• Thebes

Effingham County

• Altamont
• Beecher City
• Edgewood

Edwards County

• Albion
• Grayville
• West Salem
• Browns

Johnson County

• Vienna
• Goreville
• Cypress

Gallatin County

• Shawneetown
• Ridgway
• Equality
• New Haven

Hardin County

• Rosiclare
• Elizabethtown

Calhoun County

• Hardin
• Kampsville
• Batchtown
• Hamburg

Pulaski County

• Mounds
• Mound City
• Karnak
• Ullin

Pope County

• Golconda
• Eddyville