Area Code 312

Area Code 312 Details

TimezoneCentral
CitiesSpringfield, ALEXANDER, ALVIN, ARCOLA, ARENZVILLE, ARGENTA, ARMSTRONG, ARTHUR, ASHLAND, ASHMORE, ASSUMPTION, ATHENS, ATLANTA, ATWOOD, AUBURN, AUGUSTA, BARRY, BASCO, BAYLIS, BEARDSTOWN, BEASON, BEMENT, BENLD, BETHANY, BISMARCK, BLUE MOUND, BLUFFS, BOWEN, BROADLANDS, BROCTON, BUCKLEY, BUFFALO, BULPITT, CAMP POINT, CANTRALL, CARLINVILLE, CARROLLTON, CARTHAGE, CASEY, CATLIN, CERRO GORDO, CHAMBERSBURG, CHAMPAIGN, CHANDLERVILLE, CHAPIN, CHARLESTON, CHATHAM, CHESTNUT, CHICAGO, CHRISMAN, CISCO, CLAYTON, CLINTON, COATSBURG, COFFEEN, COLLISON, CONCORD, COWDEN, DALLAS CITY, DALTON CITY, DANVILLE, DE LAND, DECATUR, DIETERICH, DIVERNON, DONNELLSON, EDINBURG, EFFINGHAM, ELDRED, ELKHART, EMDEN, FAIRMOUNT, FARMERSVILLE, FILLMORE, FINDLAY, FISHER, FITHIAN, FOOSLAND, FRANKLIN, GAYS, GEORGETOWN, GIBSON CITY, GIFFORD, GILLESPIE, GIRARD, GLENARM, GOLDEN, GREENFIELD, GREENUP, GREENVIEW, GRIGGSVILLE, HAMILTON, HAMMOND, HARTSBURG, HERSMAN, HILLSBORO, HILLVIEW, HOMER, HOOPESTON, HULL, HUMBOLDT, HUNTSVILLE, ILLIOPOLIS, INDIANOLA, IRVING, IVESDALE, JACKSONVILLE, KANSAS, KENNEY, LA HARPE, LATHAM, LIBERTY, LINCOLN, LITCHFIELD, LOAMI, LODA, LOMAX, LORAINE, LOVINGTON, LUDLOW, MACON, MAHOMET, MANSFIELD, MAROA, MARSHALL, MARTINSVILLE, MASON CITY, MATTOON, MELVIN, MENDON, MEREDOSIA, METCALF, MIDDLETOWN, MODESTO, MONTICELLO, MONTROSE, MORRISONVILLE, MOUNT OLIVE, MOUNT ZION, MOWEAQUA, MT AUBURN, MT PULASKI, MT STERLING, MURRAYVILLE, NAUVOO, NEOGA, NEW BERLIN, NEW CANTON, NEW DOUGLAS, NEW HOLLAND, NEWMAN, NIANTIC, NIOTA, NOKOMIS, OAKFORD, OAKLAND, OAKWOOD, OCONEE, OGDEN, OREANA, OWANECO, PALMYRA, PANA, PARIS, PAWNEE, PAXTON, PAYSON, PEARL, PENFIELD, PESOTUM, PETERSBURG, PHILO, PITTSFIELD, PLEASANT HILL, PLEASANT PLAINS, POTOMAC, QUINCY, RANKIN, RANTOUL, RAYMOND, RIDGE FARM, RIVERTON, ROBERTS, ROCHESTER, ROODHOUSE, ROSSVILLE, RUSHVILLE, SADORUS, SAINT JOSEPH, SEYMOUR, SHELBYVILLE, SHERMAN, SHUMWAY, SIBLEY, SIDELL, SIDNEY, SIGEL, SORENTO, SPRINGFIELD, STEWARDSON, STONINGTON, STRASBURG, SULLIVAN, SUTTER, TALLULA, TAYLORVILLE, TENNESSEE, TEUTOPOLIS, THAWVILLE, THOMASBORO, TOLEDO, TOLONO, TOWER HILL, TUSCOLA, URSA, VERSAILLES, VILLA GROVE, VIRDEN, VIRGINIA, WARRENSBURG, WARSAW, WATSON, WAVERLY, WAYNESVILLE, WELDON, WEST YORK, WESTFIELD, WESTVILLE, WHEELER, WHITE HALL, WILLIAMSVILLE, WINCHESTER, WINDSOR, WITT, ALGONQUIN, ANTIOCH, ARLINGTON HEIGHTS, ARLINGTON HTS, BARRINGTON, BARTLETT, CARY, DEERFIELD, DES PLAINES, DUNDEE, ELGIN, ELK GROVE VILLAGE, EVANSTON, FOX LAKE, GLENVIEW, GRAYSLAKE, HALF DAY, HAMPSHIRE, HIGHLAND PARK, HUNTLEY, LAKE FOREST, LAKE VILLA, LAKE ZURICH, LIBERTYVILLE, MT PROSPECT, MUNDELEIN, NORTHBROOK, OAK BROOK, PALATINE, PARK RIDGE, PLATO CENTER, ROSELLE, ROUND LAKE, SCHAUMBURG, SKOKIE, WAUCONDA, WAUKEGAN, WHEELING, WILMETTE, WINNETKA, ZION, ABINGDON, ADAIR, ALBANY, ALEDO, ALEXIS, ALPHA, ALTONA, ANNAWAN, ARROWSMITH, ASTORIA, ATKINSON, AVON, BATH, BELLFLOWER, BENSON, BIGGSVILLE, BLANDINSVILLE, BLOOMINGTON, BRADFORD, BRIMFIELD, BUDA, BUSHNELL, CAMBRIDGE, CANTON, CARLOCK, CARMAN, CHILLICOTHE, COAL VALLEY, COLCHESTER, COLFAX, COLONA, CONGERVILLE, COOKSVILLE, CORDOVA, CROPSEY, CUBA, DANVERS, DEER CREEK, DELAVAN, DOWNS, DUNLAP, E MOLINE, EAST MOLINE, EASTON, EDELSTEIN, EDGINGTON, EL PASO, ELLISVILLE, ELLSWORTH, ELMWOOD, ERIE, EUREKA, FAIRVIEW, FARMER CITY, FARMINGTON, FOREST CITY, GALESBURG, GALVA, GENESEO, GERMANTOWN HILLS, GILSON, GLASFORD, GOOD HOPE, GOODFIELD, GREEN VALLEY, GRIDLEY, GROVELAND, HAMPTON, HANNA CITY, HAVANA, HENRY, HEYWORTH, HILLSDALE, HOPEDALE, HUDSON, ILLINOIS CITY, INDUSTRY, IPAVA, JOY, KEITHSBURG, KEWANEE, KILBOURNE, KIRKWOOD, KNOXVILLE, LA FAYETTE, LACON, LE ROY, LEWISTOWN, LEXINGTON, LITTLE YORK, LITTLETON, LONDON MILLS, LOWPOINT, LYNN CENTER, MACKINAW, MACOMB, MANITO, MAQUON, MARIETTA, MC LEAN, MEDIA, METAMORA, MINERAL, MINIER, MINONK, MOLINE, MONMOUTH, MORTON, N HENDERSON, NEPONSET, NEW BOSTON, NEW WINDSOR, NORTH PEKIN, ONEIDA, OQUAWKA, ORION, OSCO, PEKIN, PEORIA, PLYMOUTH, PORT BYRON, PRAIRIE CITY, PRINCEVILLE, REYNOLDS, RIO, ROANOKE, ROCK ISLAND, ROSEVILLE, SAN JOSE, SAYBROOK, SEATON, SECOR, SHERRARD, SMITHFIELD, SMITHSHIRE, SPARLAND, SPEER, STANFORD, STRONGHURST, SUMMUM, SUNNYLAND, SWAN CREEK, TABLE GROVE, TOLUCA, TOPEKA, TOULON, TOWANDA, TREMONT, TRIVOLI, VARNA, VERMONT, VICTORIA, VIOLA, WASHBURN, WASHINGTON, WATAGA, WILLIAMSFIELD, WOODHULL, WYOMING, YATES CITY, HINSDALE, LA GRANGE PARK, AURORA, DOWNERS GROVE, ELBURN, ELMHURST, GENEVA, LEMONT, LOMBARD, NAPERVILLE, OSWEGO, SAINT CHARLES, SUGAR GROVE, WARRENVILLE, WEST CHICAGO, WHEATON, YORKVILLE, ALBERS, ALBION, ALHAMBRA, ALLENDALE, ALTAMONT, ALTON, ANNA, ANNAPOLIS, ASHLEY, AVA, AVISTON, BALDWIN, BARTELSO, BATCHTOWN, BEECHER CITY, BELLE RIVE, BELLEVILLE, BENTON, BETHALTO, BLUFORD, BREESE, BRIDGEPORT, BRIGHTON, BROOKPORT, BROUGHTON, BROWNS, BROWNSTOWN, BRUSSELS, BUNKER HILL, CAIRO, CALHOUN, CARBONDALE, CARLYLE, CARMI, CARRIERS MILLS, CARTERVILLE, CAVE IN ROCK, CENTRALIA, CHESTER, CHESTERFIELD, CHRISTOPHER, CISNE, CLAREMONT, CLAY CITY, COBDEN, COLLINSVILLE, COLUMBIA, COULTERVILLE, CREAL SPRINGS, CROSSVILLE, CYPRESS, DAHLGREN, DE SOTO, DONGOLA, DORCHESTER, DOW, DU BOIS, DU QUOIN, DUNDAS, DUPO, E SAINT LOUIS, E ST LOUIS, EAST SAINT LOUIS, EDDYVILLE, EDGEWOOD, EDWARDSVILLE, ELDORADO, ELIZABETHTOWN, ELKVILLE, ELLIS GROVE, ELSAH, ENFIELD, EQUALITY, EVANSVILLE, EWING, FAIRFIELD, FARINA, FIELDON, FLAT ROCK, FLORA, FREEBURG, FULTS, GEFF, GERMANTOWN, GLEN CARBON, GOLCONDA, GOREVILLE, GRAFTON, GRANITE CITY, GRANTSBURG, GRAYVILLE, GREENVILLE, HAMBURG, HARDIN, HARRISBURG, HEROD, HERRICK, HERRIN, HETTICK, HIGHLAND, HOFFMAN, HOYLETON, HUTSONVILLE, INA, INGRAHAM, IUKA, JACOB, JERSEYVILLE, JOHNSONVILLE, JOHNSTON CITY, JUNCTION, KAMPSVILLE, KARNAK, KELL, KEYESPORT, KINMUNDY, LAWRENCEVILLE, LEBANON, LENZBURG, LOUISVILLE, MACEDONIA, MADISON, MARINE, MARION, MARISSA, MASCOUTAH, MC CLURE, MC LEANSBORO, MEDORA, METROPOLIS, MILL SHOALS, MILLSTADT, MOUND CITY, MOUNDS, MOUNT CARMEL, MOUNT ERIE, MOUNT VERNON, MT CARMELL, MULBERRY GROVE, MURPHYSBORO, NASHVILLE, NEW ATHENS, NEW BADEN, NEW HAVEN, NEWTON, NOBLE, NORRIS CITY, O FALLON, OAKDALE, OBLONG, ODIN, OKAWVILLE, OLIVE BRANCH, OLMSTED, OLNEY, OMAHA, ORCHARDVILLE, PALESTINE, PARKERSBURG, PATOKA, PERCY, PINCKNEYVILLE, PITTSBURG, POCAHONTAS, PRAIRIE DU ROCHER, PRAIRIETOWN, RALEIGH, RAMSEY, RED BUD, RICHVIEW, RIDGWAY, ROBINSON, ROSE HILL, ROSICLARE, ROYALTON, SAINT JACOB, SAINT LOUIS, SALEM, SANDOVAL, SESSER, SHAWNEETOWN, SHIPMAN, SHOBONIER, SIMPSON, SIMS, SPARTA, SPRINGERTON, ST ELMO, ST FRANCISVILLE, ST PETER, STAUNTON, STEELEVILLE, STONEFORT, SUMNER, TAMAROA, TAMMS, THEBES, THOMPSONVILLE, TRENTON, TROY, ULLIN, VALMEYER, VANDALIA, VENEDY, VIENNA, VILLA RIDGE, WALSH, WALTONVILLE, WATERLOO, WAYNE CITY, WEST FRANKFORT, WEST SALEM, WILLOW HILL, WOOD RIVER, WOODBURN, WOODLAWN, WORDEN, ZEIGLER, BATAVIA, BENSENVILLE, BIG ROCK, BOLINGBROOK, GLEN ELLYN, ITASCA, LA GRANGE, MAYWOOD, PLANO, ST CHARLES, SUMMIT ARGO, WOOD DALE, BEECHER, BELLWOOD, BERWYN, BLUE ISLAND, BROOKFIELD, BUFFALO GROVE, CALUMET CITY, CHICAGO HEIGHTS, CICERO, CRETE, FRANKFORT, HARVEY, HICKORY HILLS, HOMEWOOD, LANSING, MOKENA, MONEE, OAK FOREST, OAK LAWN, OAK PARK, ORLAND PARK, PALOS PARK, PARK FOREST, PEOTONE, RIVER GROVE, RIVERDALE, RIVERSIDE, SUMMIT, THORNTON, TINLEY PARK, WESTERN SPRINGS, WILLOW SPRINGS, WILLOWBROOK, SCHILLER PARK, BELOIT, BELVIDERE, BRAIDWOOD, CRESCENT CITY, CRYSTAL LAKE, DEKALB, DIXON, GALENA, GENOA, JOLIET, KANKAKEE, LA SALLE, MANTENO, MARENGO, MAZON, MCHENRY, MT MORRIS, NEW LENOX, NEW MILFORD, NEWARK, OGLESBY, PLAINFIELD, POLO, ROCKFORD, SANDWICH, SHEFFIELD, SPRING VALLEY, STERLING, TONICA, VERONA, WATSEKA, WILMINGTON, WONDER LAKE, AMBOY, APPLE RIVER, ASHKUM, ASHTON, BEAVERVILLE, BYRON, CABERY, CALEDONIA, CAPRON, CHADWICK, CHATSWORTH, CHEBANSE, CHENOA, CHERRY VALLEY, CISSNA PARK, CLIFTON, COAL CITY, COMPTON, CORNELL, CULLOM, DAKOTA, DANFORTH, DAVIS, DONOVAN, DURAND, DWIGHT, EARLVILLE, EAST DUBUQUE, ELIZABETH, ELWOOD, EMINGTON, FAIRBURY, FLANAGAN, FORREST, FORRESTON, FRANKLIN GROVE, FREEPORT, FULTON, GARDEN PRAIRIE, GARDNER, GERMAN VALLEY, GILMAN, GRAND RIDGE, GRANT PARK, GRANVILLE, GRAYMONT, HANOVER, HARDING, HARMON, HARVARD, HEBRON, HENNEPIN, HERSCHER, HINCKLEY, KEMPTON, KINSMAN, KIRKLAND, LA MOILLE, LADD, LANARK, LEAF RIVER, LELAND, LENA, LISBON, LOCKPORT, LONG POINT, LOSTANT, LOVES PARK, LYNDON, MAGNOLIA, MALDEN, MALTA, MANHATTAN, MAPLE PARK, MARSEILLES, MARTINTON, MC CONNELL, MC NABB, MENDOTA, MILFORD, MILLEDGEVILLE, MINOOKA, MOMENCE, MONROE CENTER, MORRIS, MORRISON, MT CARROLL, ODELL, OHIO, ONARGA, ORANGEVILLE, OREGON, OTTAWA, PAW PAW, PEARL CITY, PECATONICA, PIPER CITY, PONTIAC, POPLAR GROVE, PRINCETON, PROPHETSTOWN, PUTNAM, RANSOM, REDDICK, RICHMOND, ROCHELLE, ROCK FALLS, ROCKTON, ROMEOVILLE, ROSCOE, RUTLAND, SAINT ANNE, SAUNEMIN, SAVANNA, SCALES MOUND, SENECA, SHABBONA, SHANNON, SHELDON, SHERIDAN, SOMONAUK, SOUTH BELOIT, SPRING GROVE, ST ANNE, STELLE, STEWARD, STILLMAN VALLEY, STOCKTON, STRAWN, STREATOR, SUBLETTE, SYCAMORE, TAMPICO, THOMSON, TISKILWA, UNION, UTICA, WALNUT, WARREN, WATERMAN, WELLINGTON, WENONA, WEST BROOKLYN, WINNEBAGO, WINSLOW, WOODSTOCK, WYANET, GLENCOE, GURNEE, MORTON GROVE, Elgin, Peoria, Chicago, Aurora, Belleville, Cicero, Rockford

Area Code 312 prefixes

CodeOther CitiesTimezoneCountyLatitudeLongitudeDaylight Saving TimeConnection TypeNXX Created AtZip CodeFipsLataCarrierOverlayRate CenterOcnCoverage AreaActive
312-9006COOK41.87770000-87.63440000L2019-01-18 00:00:006060417031358FRACTEL, LLCCHICGOZN01965HCHICAGO
312-9016COOK41.88390000-87.63690000W1994-02-04 00:00:006065417031358USA MOBILITY WIRELESS, INC.CHICGOZN016630CHICAGO
312-9026COOK41.87980000-87.63980000L1994-02-04 00:00:006066117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9036COOK41.88390000-87.63690000W2001-04-13 00:00:006060617031358AMERICAN MESSAGING SERVICES, LLCCHICGOZN019748CHICAGO
312-9046COOK41.88390000-87.63690000L1994-02-04 00:00:006065417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9056COOK41.88390000-87.63690000L2003-11-11 00:00:006065417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9066COOK41.87980000-87.63980000L1994-02-04 00:00:006060617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9076COOK41.88390000-87.63690000W1998-01-25 00:00:006060317031358SPRINT SPECTRUM L.P.CHICGOZN016664CHICAGO
312-9086COOK41.89210000-87.63110000L1994-02-04 00:00:006060117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9096COOK41.88390000-87.63690000W2003-11-11 00:00:006065417031358CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN016333CHICAGO
312-9106COOK41.88390000-87.63690000W2003-11-11 00:00:006060617031358USA MOBILITY WIRELESS, INC.CHICGOZN016630CHICAGO
312-91160.000000000.00000000N/A
312-9126COOK41.87980000-87.63980000L1994-09-11 00:00:006060317031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9136COOK41.87550000-87.62900000L1997-10-11 00:00:006060417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9146COOK41.88390000-87.63690000W2003-11-11 00:00:006065417031358CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN016333CHICAGO
312-9156COOK41.89210000-87.63110000L1994-02-04 00:00:006061117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9166COOK41.88390000-87.63690000W2001-04-23 00:00:006060617031358AMERICAN MESSAGING SERVICES, LLCCHICGOZN019748CHICAGO
312-9176COOK41.88390000-87.63690000L1994-02-04 00:00:006060617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9186COOK41.88390000-87.63690000W2013-08-19 00:00:006066117031358T-MOBILE USA, INC.CHICGOZN016529CHICAGO
312-9196COOK41.88390000-87.63690000W2003-11-11 00:00:006066117031358CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN016333CHICAGO
312-9206COOK41.88390000-87.63690000L2003-11-11 00:00:006065417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9216COOK41.88390000-87.63690000L2008-07-21 00:00:006060617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9226COOK41.87550000-87.62900000L1994-02-04 00:00:006060417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9236COOK41.89210000-87.63110000L1994-02-04 00:00:006065417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9246COOK41.87550000-87.62900000L2001-03-03 00:00:006060517031358PAETEC COMMUNICATIONS, INC. - ILCHICGOZN014717CHICAGO
312-9256COOK41.88390000-87.63690000W1998-01-25 00:00:006060317031358NEW CINGULAR WIRELESS PCS, LLC - ILCHICGOZN016534CHICAGO
312-9266COOK41.89210000-87.63110000L1997-04-01 00:00:006061117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9276COOK41.88390000-87.63690000W2002-08-21 00:00:006060317031358T-MOBILE USA, INC.CHICGOZN016529CHICAGO
312-9286COOK41.87980000-87.63980000L1997-04-01 00:00:006060317031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9296COOK41.88390000-87.63690000L2006-04-27 00:00:006066117031358T-MOBILE USA, INC.CHICGOZN016529CHICAGO
312-9306COOK41.87980000-87.63980000L1994-02-04 00:00:006060617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9316COOK41.88390000-87.63690000L1994-02-04 00:00:006060617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9326COOK41.89210000-87.63110000L1994-02-04 00:00:006065417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9336COOK41.74650000-87.80400000W1998-01-25 00:00:006062917031358SPRINT SPECTRUM L.P.CHICGOZN016664CHICAGO
312-9346COOK41.88390000-87.63690000W2014-12-08 00:00:006060617031358T-MOBILE USA, INC.CHICGOZN016529CHICAGO
312-9356COOK41.87550000-87.62900000L1998-01-25 00:00:006060417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9366COOK41.88390000-87.63690000W1994-02-04 00:00:006060317031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9376COOK41.88390000-87.63690000W2014-09-25 00:00:006066117031358CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILCHICGOZN016333CHICAGO
312-9386COOK41.88370000-87.62320000L1994-02-04 00:00:006060417031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9396COOK41.87550000-87.62900000L1994-02-04 00:00:006060317031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9406COOK41.87770000-87.63440000L2013-09-20 00:00:006060417031358PEERLESS NETWORK OF ILLINOIS, LLC - ILCHICGOZN01063ECHICAGO
312-9416COOK41.88390000-87.63690000W1994-02-04 00:00:006060617031358USA MOBILITY WIRELESS, INC.CHICGOZN016630CHICAGO
312-9426COOK41.87820000-87.66190000L1994-02-04 00:00:006060617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9436COOK41.89210000-87.63110000L1994-02-04 00:00:006060117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9446COOK41.89210000-87.63110000L1994-02-04 00:00:006061117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9456COOK41.85270000-87.62440000L1994-02-04 00:00:006070117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9466COOK41.88370000-87.62320000L1994-02-04 00:00:006060117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9476COOK41.87820000-87.66190000L2010-11-18 00:00:006066117031358AMERITECH ILLINOISCHICGOZN019329CHICAGO
312-9486COOK41.87550000-87.62900000L2001-04-10 00:00:006060317031358OVATION COMMUNICATIONS OF ILLINOIS, INC.CHICGOZN017765CHICAGO
312-9496COOK41.85270000-87.62440000L1994-02-04 00:00:006061617031358AMERITECH ILLINOISCHICGOZN019329CHICAGO