The 618 area code is a telephone area code serving southern Illinois. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 618 area code) below and access available caller information such as name, address, and more.
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Phone numbers with the 618 area code originate from a numbering plan area that comprises one hundred and twenty-six municipalities. This region encompasses approximately 15,458 square miles.
Area code 618, one of the original North American area codes from 1947, operates as an overlay complex with area code 730. The 730 area code was introduced on July 7, 2023, to meet the demand for more telephone numbers in the region. Due to this overlay, ten-digit dialing became mandatory by October 24, 2021.
Area code 618 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 618 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Illinois geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
|---|---|
| FRONTIER NORTH, INC. - IL | 110 |
| ILLINOIS BELL TEL CO | 100 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 53 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 39 |
| CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL | 29 |
| SPRINT SPECTRUM, L.P. | 20 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 11 |
| HARRISONVILLE TEL. CO. | 7 |
| T-MOBILE USA, INC. | 7 |
| WABASH TEL. COOP., INC. | 7 |
| WINDSTREAM NUVOX ILLINOIS, LLC | 7 |
| DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL | 6 |
| EGYPTIAN TEL. COOP. ASSN. | 5 |
| HAMILTON COUNTY TELEPHONE CO-OP | 5 |
| MADISON TEL. CO. | 5 |
| CHARTER FIBERLINK - ILLINOIS, LLC - IL | 3 |
| FRONTIER COMMUNICATIONS-MIDLAND, INC. | 3 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 3 |
| ODIN TELEPHONE EXCHANGE, INC. | 3 |
| SHAWNEE TEL. CO. | 3 |
| ALHAMBRA-GRANTFORK TEL. CO. | 2 |
| AMERICAN MESSAGING SERVICES, LLC | 2 |
| AT&T - LOCAL | 2 |
| AT&T CORP. | 2 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 2 |
| ONVOY, LLC | 2 |
| UNITED STATES CELLULAR - IL | 2 |
| AERO COMMUNICATIONS, LLC - IL | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 1 |
| CROSSVILLE TEL. CO. | 1 |
| FLAT ROCK TEL. CO-OP, INC. | 1 |
| FRACTEL, LLC | 1 |
| GRAFTON TECHNOLOGIES, INC. - IL | 1 |
| GRAFTON TEL. CO. | 1 |
| HOME TEL. CO. | 1 |
| ONVOY, LLC - MO | 1 |
| SOUTHWESTERN BELL | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 1 |
| TELNYX LLC | 1 |
| WABASH INDEPENDENT NETWORKS, INC DBA WABASH COMM | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| COLLINSVL | 71 |
| CARBONDALE | 21 |
| BELLEVILLE | 20 |
| CENTRALIA | 12 |
| GRANITE CY | 12 |
| E ST LOUIS | 10 |
| MARION | 10 |
| ALTON | 9 |
| MT VERNON | 9 |
| EDWARDSVL | 8 |
| O FALLON | 8 |
| BENTON | 6 |
| EDGEMONT | 5 |
| HARRISBURG | 5 |
| JERSEYVL | 5 |
| ROBINSON | 5 |
| WOOD RIVER | 5 |
| METROPOLIS | 4 |
| OLNEY | 4 |
| ANNA | 3 |
| BETHALTO | 3 |
| CARMI | 3 |
| FAIRFIELD | 3 |
| HERRIN | 3 |
| HIGHLAND | 3 |
| MT CARMEL | 3 |
| MURPHYSBO | 3 |
| SPARTA | 3 |
| VIENNA | 3 |
| WFRANKFORT | 3 |
| ALBION | 2 |
| ASHLEY | 2 |
| CAIRO | 2 |
| CARTERVL | 2 |
| CHESTER | 2 |
| COLUMBIA | 2 |
| DU QUOIN | 2 |
| DUPO | 2 |
| ELDORADO | 2 |
| FREEBURG | 2 |
| GLENCARBON | 2 |
| GREENVILLE | 2 |
| LAWRENCEVL | 2 |
| MOUND CITY | 2 |
| NASHVILLE | 2 |
| PINCKNEYVL | 2 |
| RED BUD | 2 |
| SALEM | 2 |
| VANDALIA | 2 |
| ALBERS | 1 |
| ALHAMBRA | 1 |
| ALLENDALE | 1 |
| ALTAMONT | 1 |
| AVA | 1 |
| AVISTON | 1 |
| BARTELSO | 1 |
| BECKEMEYER | 1 |
| BEECHER CY | 1 |
| BELLE RIVE | 1 |
| BELLEPRARI | 1 |
| BELLMONT | 1 |
| BLAIR | 1 |
| BLAIRSVL | 1 |
| BLUFORD | 1 |
| BREESE | 1 |
| BRIDGEPORT | 1 |
| BRIGHTON | 1 |
| BROOKPORT | 1 |
| BROWNS | 1 |
| BROWNSTOWN | 1 |
| BRUSSELS | 1 |
| BUNKERHILL | 1 |
| BURNTPRARI | 1 |
| CARLYLE | 1 |
| CARRIERSML | 1 |
| CHAUNCEY | 1 |
| CHRISTOPHR | 1 |
| CISNE | 1 |
| CLAREMONT | 1 |
| CLAY CITY | 1 |
| COBDEN | 1 |
| COULTERVL | 1 |
| CREAL SPG | 1 |
| CRISP | 1 |
| CROSSVILLE | 1 |
| CYPRESS | 1 |
| DAHLGREN | 1 |
| DALE | 1 |
| DE SOTO | 1 |
| DIX | 1 |
| DONGOLA | 1 |
| DOW | 1 |
| DUBOIS | 1 |
| ELIZABTHTN | 1 |
| ELKVILLE | 1 |
| ELLISGROVE | 1 |
| ENFIELD | 1 |
| EQUALITY | 1 |
| EVANSVILLE | 1 |
| EWING | 1 |
| FARINA | 1 |
| FIELDON | 1 |
| FLAT ROCK | 1 |
| FLORA | 1 |
| GEFF | 1 |
| GERMANTOWN | 1 |
| GLENN | 1 |
| GOLCONDA | 1 |
| GOREVILLE | 1 |
| GRAFTON | 1 |
| GRANTFORK | 1 |
| GRAYVILLE | 1 |
| HAMEL | 1 |
| HARDIN | 1 |
| HARMONY | 1 |
| HECKER | 1 |
| HERRICK | 1 |
| HOFFMAN | 1 |
| HOYLETON | 1 |
| HURST | 1 |
| HUTSONVL | 1 |
| INA | 1 |
| IRVINGTON | 1 |
| IUKA | 1 |
| JOHNSTONCY | 1 |
| JOPPA | 1 |
| KAMPSVILLE | 1 |
| KARNAK | 1 |
| KELL | 1 |
| KINMUNDY | 1 |
| LEBANON | 1 |
| LIVINGSTON | 1 |
| LOUISVILLE | 1 |
| MARISSA | 1 |
| MASCOUTAH | 1 |
| MCCLURE | 1 |
| MCLEANSBO | 1 |
| MEDORA | 1 |
| MILLSTADT | 1 |
| MOUNDS | 1 |
| MOUNT ERIE | 1 |
| MULBRY GRV | 1 |
| NEW ATHENS | 1 |
| NEW BADEN | 1 |
| NEW HAVEN | 1 |
| NEWTON | 1 |
| NOBLE | 1 |
| NORRISCITY | 1 |
| OAKDALE | 1 |
| OBLONG | 1 |
| ODIN | 1 |
| OKAWVILLE | 1 |
| OLIVE BRCH | 1 |
| PALESTINE | 1 |
| PATOKA | 1 |
| PAULTON | 1 |
| PERCY | 1 |
| POCAHONTAS | 1 |
| PRAIRIETN | 1 |
| PRARIDRCHR | 1 |
| RALEGHGLTI | 1 |
| RAMSEY | 1 |
| RENAULT | 1 |
| RIDGWAY | 1 |
| ROSE HILL | 1 |
| ROSICLARE | 1 |
| ROYALTON | 1 |
| SANDOVAL | 1 |
| SESSER | 1 |
| SHATTUC | 1 |
| SHAWNEETN | 1 |
| SHIPMAN | 1 |
| SHOBONIER | 1 |
| ST ELMO | 1 |
| ST JACOB | 1 |
| ST LIBORY | 1 |
| ST PETER | 1 |
| STAUNTON | 1 |
| STEELEVL | 1 |
| STFRNCISVL | 1 |
| STONEFORT | 1 |
| SUMMERFLD | 1 |
| SUMNER | 1 |
| TAMAROA | 1 |
| TAMMS | 1 |
| THOMPSONVL | 1 |
| TILDEN | 1 |
| TRENTON | 1 |
| TROY | 1 |
| ULLIN | 1 |
| VALMEYER | 1 |
| VENEDY | 1 |
| VILLARIDGE | 1 |
| WALTONVL | 1 |
| WATERLOO | 1 |
| WAYNE CITY | 1 |
| WEST SALEM | 1 |
| WILLOWHILL | 1 |
| WOODLAWN | 1 |
| WORDEN | 1 |
| XENIA | 1 |
| ZEIGLER | 1 |
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