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618 Area Code 🌍☎️

Area Code Profile · Illinois

The 618 area code is located in the state of Illinois and covers 329 cities, serving a total population of approximately 866,657. Major cities covered by the 618 area code include Belleville, Granite City, O'Fallon, Alton, East St. Louis (which represents the most populated areas). There are a total of 786 telephone prefix exchanges in this area code, which support an estimated 7,860,000 active or assignable phone numbers. These prefix lines are operated by 60 distinct carriers, with Belleville as the primary rate center location.

Central Time329 Cities786 Prefixes

Reverse Phone Lookup in Belleville, Illinois

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (618).

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Provide any 10-digit phone number starting with the (618) area code.

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3

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Neighborhood Demographics

Calculated demographics and census summary estimations for area code 618.

32.5 y/oMedian Age
$82,000Median Income
$385,000Median Home Value
866,657Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 618.

Did you receive an unwanted call from a (618) phone number?

Help the community identify spammers by filing a comment.

(618) 769-9474May 16, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details
(618) 782-9491May 20, 2026Political
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
See Details
(618) 795-9508May 19, 2026Scam / Fraud
Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!
See Details

Cities in the 618 Area Code

The most populous cities in area code 618 are: Belleville (44,478), Granite City (29,849), O'Fallon (28,281), Alton (27,865), and East St. Louis (27,006).

Other cities in the 618 area code include:

Carbondale, Collinsville, Edwardsville, Godfrey, Marion, Fairview Heights, Mount Vernon, Cahokia, Swansea, Centralia, Glen Carbon, Shiloh, Herrin, Wood River, Highland, Troy, Waterloo, Columbia, Bethalto, Olney, Harrisburg, Chester, Jerseyville, West Frankfort, Murphysboro.

CityPopulation% in Area Code
Belleville44,478100%
Granite City29,849100%
O'Fallon28,281100%
Alton27,865100%
East St. Louis27,006100%
Carbondale25,902100%
Collinsville25,579100%
Edwardsville24,293100%
Godfrey17,982100%
Marion17,193100%
Fairview Heights17,078100%
Mount Vernon15,277100%
Cahokia15,241100%
Swansea13,430100%
Centralia13,032100%
Glen Carbon12,934100%
Shiloh12,651100%
Herrin12,501100%
Wood River10,657100%
Highland9,919100%

Showing top 20 of 329 cities.

What Time Zone is Area Code 618?

Central Time Zone

Abbreviation: CT · UTC Offset: UTC-6

The 618 area code lies within the Central Time Zone (CT, UTC-6).

Nearby Area Codes

217Springfield, Illinois224Elgin, Illinois309Peoria, Illinois312Chicago, Illinois331Aurora, Illinois447Springfield, Illinois464Cicero, Illinois630Aurora, Illinois708Cicero, Illinois730Belleville, Illinois

Phone Prefixes in the 618 Area Code

786 prefixes found · 60 carriers · 242 rate centers

PrefixCarrierRate Center
(618) 200CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILBENTON
(618) 201CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCARBONDALE
(618) 202NEW CINGULAR WIRELESS PCS, LLC - ILANNA
(618) 203T-MOBILE USA, INC.CARBONDALE
(618) 204T-MOBILE USA, INC.MT VERNON
(618) 205WINDSTREAM NUVOX ILLINOIS, LLCGLENCARBON
(618) 206WINDSTREAM NUVOX ILLINOIS, LLCO FALLON
(618) 207LEVEL 3 COMMUNICATIONS, LLC - ILBELLEVILLE
(618) 208WINDSTREAM NUVOX ILLINOIS, LLCALTON
(618) 209TELNYX LLCGOLCONDA
(618) 210NEW CINGULAR WIRELESS PCS, LLC - ILCOLLINSVL
(618) 212WINDSTREAM NUVOX ILLINOIS, LLCBELLEVILLE
(618) 213WINDSTREAM NUVOX ILLINOIS, LLCEDGEMONT
(618) 214CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILMT VERNON
(618) 215WINDSTREAM NUVOX ILLINOIS, LLCE ST LOUIS
(618) 216WINDSTREAM NUVOX ILLINOIS, LLCWOOD RIVER
(618) 217T-MOBILE USA, INC.WOOD RIVER
(618) 218CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILBENTON
(618) 219WINDSTREAM NUVOX ILLINOIS, LLCGRANITE CY
(618) 220ILLINOIS BELL TEL COBELLEVILLE
(618) 221PEERLESS NETWORK OF ILLINOIS, LLC - ILBREESE
(618) 222ILLINOIS BELL TEL COBELLEVILLE
(618) 223LEVEL 3 COMMUNICATIONS, LLC - ILCOLLINSVL
(618) 224ILLINOIS BELL TEL COTRENTON
(618) 225ILLINOIS BELL TEL COGRANITE CY
(618) 226CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILSHATTUC
(618) 227ILLINOIS BELL TEL COBECKEMEYER
(618) 228ILLINOIS BELL TEL COAVISTON
(618) 229ILLINOIS BELL TEL COBELLEVILLE
(618) 230TELEPORT COMMUNICATIONS AMERICA, LLC - ILEDGEMONT
(618) 231NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(618) 232CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILHAMBURG
(618) 233ILLINOIS BELL TEL COBELLEVILLE
(618) 234ILLINOIS BELL TEL COBELLEVILLE
(618) 235ILLINOIS BELL TEL COBELLEVILLE
(618) 236ILLINOIS BELL TEL COBELLEVILLE
(618) 237NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(618) 238CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILEDGEWOOD
(618) 239ILLINOIS BELL TEL COBELLEVILLE
(618) 240CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILMT CARMEL
(618) 241ILLINOIS BELL TEL COMT VERNON
(618) 242ILLINOIS BELL TEL COMT VERNON
(618) 243FRONTIER NORTH, INC. - ILOKAWVILLE
(618) 244ILLINOIS BELL TEL COMT VERNON
(618) 245CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILFARINA
(618) 246ILLINOIS BELL TEL COMT VERNON
(618) 247CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILSANDOVAL
(618) 248FRONTIER NORTH, INC. - ILALBERS
(618) 249CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILIRVINGTON
(618) 250NEW CINGULAR WIRELESS PCS, LLC - ILCOLLINSVL
(618) 251ILLINOIS BELL TEL COWOOD RIVER
(618) 252FRONTIER NORTH, INC. - ILHARRISBURG
(618) 253FRONTIER NORTH, INC. - ILHARRISBURG
(618) 254ILLINOIS BELL TEL COWOOD RIVER
(618) 255ILLINOIS BELL TEL COWOOD RIVER
(618) 256ILLINOIS BELL TEL COBELLEVILLE
(618) 257ILLINOIS BELL TEL COBELLEVILLE
(618) 258ILLINOIS BELL TEL COWOOD RIVER
(618) 259ILLINOIS BELL TEL COWOOD RIVER
(618) 260BANDWIDTH.COM CLEC, LLC - ILHOYLETON
(618) 261ILLINOIS BELL TEL COE ST LOUIS
(618) 262FRONTIER NORTH, INC. - ILMT CARMEL
(618) 263FRONTIER NORTH, INC. - ILMT CARMEL
(618) 264SHAWNEE TEL. CO.HICKS
(618) 265FRONTIER NORTH, INC. - ILNEW HAVEN
(618) 266ILLINOIS BELL TEL CODIX
(618) 267CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCENTRALIA
(618) 268FRONTIER NORTH, INC. - ILRALEGHGLTI
(618) 269FRONTIER NORTH, INC. - ILSHAWNEETN
(618) 270LEVEL 3 COMMUNICATIONS, LLC - ILWAYNE CITY
(618) 271ILLINOIS BELL TEL COE ST LOUIS
(618) 272FRONTIER NORTH, INC. - ILRIDGWAY
(618) 273FRONTIER NORTH, INC. - ILELDORADO
(618) 274ILLINOIS BELL TEL COE ST LOUIS
(618) 275SHAWNEE TEL. CO.LEAMINGTON
(618) 276SHAWNEE TEL. CO.EQUALITY
(618) 277ILLINOIS BELL TEL COBELLEVILLE
(618) 278FRONTIER COMMUNICATIONS-MIDLAND, INC.WOODBURN
(618) 279CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -ILWALTONVL
(618) 280BANDWIDTH.COM CLEC, LLC - ILADDIEVILLE
(618) 281HARRISONVILLE TEL. CO.COLUMBIA
(618) 282HARRISONVILLE TEL. CO.RED BUD
(618) 283ILLINOIS BELL TEL COVANDALIA
(618) 284HARRISONVILLE TEL. CO.PRARIDRCHR
(618) 285SHAWNEE TEL. CO.ROSICLARE
(618) 286HARRISONVILLE TEL. CO.DUPO
(618) 287SHAWNEE TEL. CO.ELIZABTHTN
(618) 288ILLINOIS BELL TEL COGLENCARBON
(618) 289SHAWNEE TEL. CO.CAVEINROCK
(618) 290SHAWNEELEC, INC.ROSICLARE
(618) 291AMERICAN MESSAGING SERVICES, LLCCARBONDALE
(618) 292NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(618) 293ILLINOIS BELL TEL COEDGEMONT
(618) 294DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - ILHARRISBURG
(618) 295FRONTIER NORTH, INC. - ILMARISSA
(618) 296ILLINOIS BELL TEL COEDWARDSVL
(618) 297DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - ILELDORADO
(618) 298FRONTIER NORTH, INC. - ILBELLMONT
(618) 299FRONTIER NORTH, INC. - ILALLENDALE
(618) 300YMAX COMMUNICATIONS CORP. - ILCARBONDALE

Showing first 100 of 786 prefixes.

Frequently Asked Questions

Where is area code 618?
Area code 618 is located in Illinois, covering cities including Belleville, Granite City, O'Fallon.
What time zone is area code 618?
Area code 618 is in the Central Time Zone (CT, UTC-6).
What state is area code 618?
Area code 618 is in Illinois.