312 Area Code

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Area Code 312 Map

Where is area code 312?

Area code 312 serves contribution of Chicago, IL. It overlaps coverage areas with area code 872 .

What time zone is area code 312?

The 312 area code is located in the Central timezone. The cardinal meter zone is besides known as America/Chicago. As of the survive time this page was loaded, the stream time is 1:29pm .

History

312 is one of the original 86 sphere codes created by AT & T and the Bell System in 1947. It primitively served the Chicago metropolitan sphere. 312 was split in 1996 creating the indigence to update some of the telephone numbers to area code 773. In 2009, area code 872 was created and is presently an sheathing to 312 and 773 .

Nearby Area Codes

Top 1 Counties in Area Code 312

Top 1 Cities in Area Code 312

Largest Telephone Carriers

Landline

Wireless

Prefixes

Assigned

Usage

prefix
usage
elementary City
carrier
Introduced
( 312 ) 201- Chicago 11/11/2003 ( 312 ) 202- Chicago 04/01/1997 ( 312 ) 203- Chicago Cingular Wireless 11/11/2003 ( 312 ) 204- Chicago 10/11/1997 ( 312 ) 205- Chicago Allegiance Telecom 08/20/2000 ( 312 ) 206- Chicago Cingular Wireless 11/11/2003 ( 312 ) 207- Chicago 10/11/1997 ( 312 ) 208- Chicago Cingular Wireless 11/11/2003 ( 312 ) 209- Northbrook Verizon Wireless 02/11/1995 ( 312 ) 212- Chicago 10/31/2000 ( 312 ) 213- Chicago Cingular Wireless 11/11/2003 ( 312 ) 214- Chicago 11/11/2003 ( 312 ) 215- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 216- Chicago foremost Comms 02/13/2012 ( 312 ) 217- Chicago United States Cellular Corp. 11/11/2003 ( 312 ) 218- Chicago Cingular Wireless 11/11/2003 ( 312 ) 219- Chicago Bandwidth.com 04/10/2012 ( 312 ) 220- Chicago 02/04/1994 ( 312 ) 221- Chicago sprint 06/17/2011 ( 312 ) 222- Chicago 02/04/1994 ( 312 ) 223- Chicago 10/11/1997 ( 312 ) 224- Chicago Broadwing Comms 10/13/1999 ( 312 ) 225- Chicago 10/11/1997 ( 312 ) 226- Chicago 10/11/1997 ( 312 ) 227- Chicago 09/15/2010 ( 312 ) 228- Chicago 10/11/1997 ( 312 ) 229- Chicago 06/13/2000 ( 312 ) 230- Chicago 10/11/1997 ( 312 ) 231- Roselle Cingular Wireless 01/10/1996 ( 312 ) 232- Chicago american Messaging ( am ) 04/23/2001 ( 312 ) 233- Chicago 10/13/1999 ( 312 ) 234- Chicago 01/25/1998 ( 312 ) 235- Chicago 01/14/2000 ( 312 ) 236- Chicago 11/11/2003 ( 312 ) 237- Chicago Verizon Wireless 10/31/2000 ( 312 ) 238- Chicago Broadwing Comms 10/13/1999 ( 312 ) 239- Chicago AT & T Local 01/25/1998 ( 312 ) 240- Chicago 10/11/1997 ( 312 ) 241- Chicago Cingular Wireless 08/17/2011 ( 312 ) 242- Chicago Teleport Comms America 08/20/2000 ( 312 ) 243- Chicago 10/11/1997 ( 312 ) 244- Chicago 10/31/2000 ( 312 ) 245- Chicago 10/11/1997 ( 312 ) 246- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 247- Chicago first Comms 04/06/2004 ( 312 ) 248- Metro PCS 07/01/2014 ( 312 ) 249- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 250- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 251- Chicago 10/11/1997 ( 312 ) 252- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 253- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 254- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 255- Chicago 10/11/1997 ( 312 ) 256- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 257- Chicago Verizon Wireless 08/18/2011 ( 312 ) 258- Chicago 10/11/1997 ( 312 ) 259- Chicago Cingular Wireless 11/11/2003 ( 312 ) 260- Chicago MCI Metro ATS 04/01/1997 ( 312 ) 261- Chicago Broadwing Comms 05/10/1999 ( 312 ) 262- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 263- Chicago 02/04/1994 ( 312 ) 264- Chicago Broadwing Comms 07/22/1999 ( 312 ) 265- Chicago Access One 11/29/2005 ( 312 ) 266- Chicago 02/04/1994 ( 312 ) 267- Chicago 06/13/2000 ( 312 ) 268- Chicago Broadwing Comms 03/03/2001 ( 312 ) 269- Chicago 02/04/1994 ( 312 ) 271- Chicago USA Mobility Wireless 01/25/1998 ( 312 ) 272- Chicago USA Mobility Wireless 07/01/1996 ( 312 ) 273- Chicago Verizon Wireless 09/13/2011 ( 312 ) 274- Chicago 01/25/1998 ( 312 ) 275- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 276- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 277- Chicago Allegiance Telecom 01/25/1998 ( 312 ) 278- Chicago Broadwing Comms 10/31/2000 ( 312 ) 279- Chicago MCI Metro ATS 01/25/1998 ( 312 ) 280- Chicago 10/11/1997 ( 312 ) 281- Chicago Global Crossing Local Services 10/13/1999 ( 312 ) 282- Chicago Cingular Wireless 10/31/2000 ( 312 ) 283- Chicago Global Crossing Local Services 10/13/1999 ( 312 ) 284- Chicago Xo Illinois 06/30/2001 ( 312 ) 285- Chicago dash 06/30/2001 ( 312 ) 286- Chicago Cingular Wireless 06/13/2000 ( 312 ) 287- Chicago dash 10/31/2000 ( 312 ) 288- Chicago MCI Metro ATS 01/25/1998 ( 312 ) 289- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 290- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 291- Chicago 06/13/2000 ( 312 ) 292- Chicago Bandwidth.com 09/02/2011 ( 312 ) 293- Chicago 02/04/1994 ( 312 ) 294- Chicago 10/11/1997 ( 312 ) 295- La Grange Park USA Mobility Wireless 02/11/1995 ( 312 ) 296- Chicago sprint 01/14/2000 ( 312 ) 297- Chicago 02/11/1995 ( 312 ) 298- Chicago Sigecom 07/22/1999 ( 312 ) 299- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 300- Chicago net Talk.com 04/25/2011 ( 312 ) 301- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 302- Chicago 02/04/1994 ( 312 ) 303- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 304- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 305- Northbrook Verizon Wireless 11/11/2003 ( 312 ) 306- Chicago 02/04/1994 ( 312 ) 307- Chicago Cingular Wireless 11/11/2003 ( 312 ) 308- Chicago 10/11/1997 ( 312 ) 309- Chicago 11/11/2003 ( 312 ) 310- Northbrook Verizon Wireless 02/11/1995 ( 312 ) 314- Hinsdale Cingular Wireless 09/11/1994 ( 312 ) 315- Chicago Cingular Wireless 11/11/2003 ( 312 ) 316- Chicago Cingular Wireless 11/11/2003 ( 312 ) 317- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 318- La Grange Park Verizon Wireless 02/11/1995 ( 312 ) 320- Chicago Cingular Wireless 11/11/2003 ( 312 ) 321- Chicago 10/11/1997 ( 312 ) 322- Chicago 10/11/1997 ( 312 ) 323- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 324- Chicago level 3 Comms 05/03/2001 ( 312 ) 325- Chicago 06/24/2003 ( 312 ) 326- Chicago 02/04/1994 ( 312 ) 327- Chicago Xo Illinois 08/20/2000 ( 312 ) 328- Chicago 10/11/1997 ( 312 ) 329- Chicago 02/04/1994 ( 312 ) 330- Chicago Cingular Wireless 11/11/2003 ( 312 ) 331- Wheeling Cingular Wireless 01/10/1996 ( 312 ) 332- Chicago 02/04/1994 ( 312 ) 333- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 334- Chicago first Comms 10/31/2000 ( 312 ) 335- Chicago 02/04/1994 ( 312 ) 336- Chicago 11/11/2003 ( 312 ) 337- Chicago 02/04/1994 ( 312 ) 338- Chicago 04/01/1997 ( 312 ) 339- Chicago Verizon Wireless 11/11/2003 ( 312 ) 340- Chicago Verizon Wireless 09/21/2011 ( 312 ) 341- Chicago 10/11/1997 ( 312 ) 342- Chicago Cingular Wireless 06/30/2001 ( 312 ) 343- Chicago Verizon Wireless 11/11/2003 ( 312 ) 344- Chicago 07/06/1997 ( 312 ) 345- Chicago 11/11/2003 ( 312 ) 346- Chicago 11/11/2003 ( 312 ) 347- Chicago 02/04/1994 ( 312 ) 348- Chicago neutral Tandem 11/14/2003 ( 312 ) 349- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 350- Chicago Verizon Wireless 11/11/2003 ( 312 ) 351- Chicago Cingular Wireless 11/11/2003 ( 312 ) 352- Hinsdale Cingular Wireless 07/04/1995 ( 312 ) 353- Chicago 02/04/1994 ( 312 ) 354- Roselle Cingular Wireless 01/10/1996 ( 312 ) 355- Chicago 07/04/1995 ( 312 ) 356- Chicago 01/14/2000 ( 312 ) 357- Chicago 10/11/1997 ( 312 ) 359- Chicago USA Mobility Wireless 07/04/1995 ( 312 ) 360- Chicago 02/04/1994 ( 312 ) 361- Chicago 10/31/2000 ( 312 ) 362- Chicago 10/11/1997 ( 312 ) 363- Chicago Rcn Telecom Services 05/10/1999 ( 312 ) 364- Chicago 09/11/1994 ( 312 ) 365- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 366- La Grange Park USA Mobility Wireless 01/10/1996 ( 312 ) 367- La Grange Park USA Mobility Wireless 11/11/2003 ( 312 ) 368- Chicago 02/04/1994 ( 312 ) 369- Chicago Cingular Wireless 11/11/2003 ( 312 ) 370- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 371- Chicago sprint 01/25/1998 ( 312 ) 372- Chicago 11/11/2003 ( 312 ) 373- Chicago Broadwing Comms 05/10/1999 ( 312 ) 374- Chicago 10/13/1999 ( 312 ) 375- Chicago T-mobile USA 06/30/2001 ( 312 ) 376- Chicago Cbeyond Comms 06/11/2004 ( 312 ) 377- Chicago Xo Illinois 01/25/1998 ( 312 ) 378- Chicago USA Mobility Wireless 01/25/1998 ( 312 ) 379- Chicago ovation Comms 04/10/2001 ( 312 ) 380- Chicago 08/20/2000 ( 312 ) 381- Chicago 05/10/1999 ( 312 ) 382- Chicago 02/04/1994 ( 312 ) 384- Chicago 10/13/1999 ( 312 ) 385- Chicago 01/25/1998 ( 312 ) 386- Chicago 08/20/2000 ( 312 ) 387- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 388- Chicago dash 01/25/1998 ( 312 ) 389- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 390- Chicago american Messaging ( am ) 04/16/2001 ( 312 ) 391- Chicago Cingular Wireless 11/11/2003 ( 312 ) 393- Chicago american Messaging ( am ) 04/23/2001 ( 312 ) 394- Chicago 02/04/1994 ( 312 ) 395- Chicago AT & T Local 01/25/1998 ( 312 ) 396- Chicago 02/04/1994 ( 312 ) 397- Chicago 10/11/1997 ( 312 ) 398- Chicago USA Mobility Wireless 01/10/1996 ( 312 ) 399- Chicago sprint 07/22/1999 ( 312 ) 400- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 401- Chicago Cingular Wireless 11/11/2003 ( 312 ) 402- Chicago Cingular Wireless 11/11/2003 ( 312 ) 403- La Grange Park Verizon Wireless 02/11/1995 ( 312 ) 404- Chicago T-mobile USA 10/14/2002 ( 312 ) 405- Chicago Verizon Wireless 11/11/2003 ( 312 ) 406- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 407- Chicago 02/04/1994 ( 312 ) 408- Chicago 10/11/1997 ( 312 ) 409- Chicago 09/11/1994 ( 312 ) 410- Chicago 02/04/1994 ( 312 ) 412- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 413- Chicago 02/04/1994 ( 312 ) 415- Chicago Verizon Wireless 11/11/2003 ( 312 ) 416- Chicago Mci Worldcom Comms 01/10/1996 ( 312 ) 417- Chicago 02/04/1994 ( 312 ) 418- Chicago USA Mobility Wireless 09/11/1994 ( 312 ) 419- Chicago 11/11/2003 ( 312 ) 420- Chicago Cingular Wireless 06/30/2001 ( 312 ) 421- Chicago 02/04/1994 ( 312 ) 422- Chicago 11/11/2003 ( 312 ) 423- Chicago Broadwing Comms 11/11/2003 ( 312 ) 424- Chicago 09/11/1994 ( 312 ) 425- Chicago 07/01/1996 ( 312 ) 426- Chicago USA Mobility Wireless 01/10/1996 ( 312 ) 427- Chicago 02/04/1994 ( 312 ) 428- Chicago floor 3 Comms 11/11/2003 ( 312 ) 429- Chicago Global Crossing Local Services 10/13/1999 ( 312 ) 430- Chicago 05/02/2004 ( 312 ) 431- Chicago 10/11/1997 ( 312 ) 432- Chicago 02/11/1995 ( 312 ) 433- Chicago 02/04/1994 ( 312 ) 434- Chicago dash 07/08/2011 ( 312 ) 435- Chicago 02/04/1994 ( 312 ) 436- Chicago 01/14/2000 ( 312 ) 437- Chicago sprint 07/22/1999 ( 312 ) 440- Chicago 02/04/1994 ( 312 ) 441- Chicago 02/04/1994 ( 312 ) 442- Chicago 01/25/1998 ( 312 ) 443- Chicago 11/11/2003 ( 312 ) 444- Chicago 02/04/1994 ( 312 ) 445- Chicago 06/13/2000 ( 312 ) 446- Chicago sprint 08/14/1998 ( 312 ) 447- Chicago 06/13/2000 ( 312 ) 448- Chicago Verizon Wireless 08/02/2011 ( 312 ) 449- Chicago american english Messaging ( am ) 04/23/2001 ( 312 ) 450- Chicago Cingular Wireless 11/11/2003 ( 312 ) 451- Chicago T-mobile USA 01/25/1998 ( 312 ) 452- Chicago american english Messaging ( am ) 04/13/2001 ( 312 ) 453- Chicago Mci Worldcom Comms 01/10/1996 ( 312 ) 454- Chicago 02/04/1994 ( 312 ) 455- Chicago 02/04/1994 ( 312 ) 456- Chicago 02/04/1994 ( 312 ) 457- Chicago american Messaging ( am ) 04/23/2001 ( 312 ) 458- Chicago 02/04/1994 ( 312 ) 459- Chicago T-mobile USA 08/02/2011 ( 312 ) 460- Chicago 11/11/2003 ( 312 ) 461- Chicago 02/04/1994 ( 312 ) 462- Chicago 10/11/1997 ( 312 ) 463- Chicago 01/25/1998 ( 312 ) 464- Chicago 02/04/1994 ( 312 ) 465- Chicago Us Xchange Of Illinois DBA Choice One Comm Il 03/26/2009 ( 312 ) 466- Chicago 02/04/1994 ( 312 ) 467- Chicago 02/04/1994 ( 312 ) 469- Chicago 10/31/2000 ( 312 ) 470- Chicago MCI Metro ATS 01/10/1996 ( 312 ) 472- Chicago 10/27/2005 ( 312 ) 473- Chicago Ymax Comms Corp. 11/15/2006 ( 312 ) 474- Chicago 02/04/1994 ( 312 ) 475- Chicago 01/25/1998 ( 312 ) 476- Chicago dash 08/20/2000 ( 312 ) 477- Chicago level 3 Comms 10/20/2010 ( 312 ) 478- Chicago T-mobile USA 03/20/2014 ( 312 ) 479- Chicago AT & T Local 01/25/1998 ( 312 ) 480- Chicago Cingular Wireless 11/11/2003 ( 312 ) 482- Chicago 02/04/1994 ( 312 ) 484- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 485- Chicago Verizon Wireless 11/11/2003 ( 312 ) 486- Chicago Mci Worldcom Comms 04/23/2004 ( 312 ) 488- Chicago Pg Telecom 01/18/2006 ( 312 ) 489- Chicago Verizon Wireless 08/20/2000 ( 312 ) 490- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 491- Chicago 07/04/1995 ( 312 ) 492- Chicago 07/06/1997 ( 312 ) 493- Chicago T-mobile USA 06/30/2001 ( 312 ) 494- Chicago 02/04/1994 ( 312 ) 495- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 496- Chicago 07/01/1996 ( 312 ) 497- Chicago Verizon Wireless 11/11/2003 ( 312 ) 498- Chicago dash 07/22/1999 ( 312 ) 499- Chicago 02/04/1994 ( 312 ) 501- La Grange Park Verizon Wireless 02/11/1995 ( 312 ) 502- Chicago Verizon Wireless 11/11/2003 ( 312 ) 503- Chicago Broadwing Comms 02/04/1994 ( 312 ) 504- Chicago Cingular Wireless 11/11/2003 ( 312 ) 505- Chicago Verizon Wireless 11/11/2003 ( 312 ) 506- Chicago Cimco Comms 05/24/2004 ( 312 ) 507- Chicago 02/04/1994 ( 312 ) 508- Chicago Peerless Network 03/19/2012 ( 312 ) 509- Chicago Peerless Network 03/06/2012 ( 312 ) 510- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 512- Chicago USA Mobility Wireless 05/01/2002 ( 312 ) 513- Chicago Cingular Wireless 11/11/2003 ( 312 ) 514- Chicago american english Messaging ( am ) 04/13/2001 ( 312 ) 515- Chicago Verizon Wireless 11/11/2003 ( 312 ) 516- Chicago 02/11/1995 ( 312 ) 518- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 519- Chicago Verizon Wireless 11/11/2003 ( 312 ) 520- Chicago Verizon Wireless 11/11/2003 ( 312 ) 521- Chicago AT & T Local 01/25/1998 ( 312 ) 523- Chicago dash 06/30/2001 ( 312 ) 524- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 525- Chicago MCI Metro ATS 03/20/2002 ( 312 ) 526- Chicago 07/04/1995 ( 312 ) 527- Chicago 02/04/1994 ( 312 ) 528- Chicago 01/25/1998 ( 312 ) 529- Chicago AT & T Local 10/11/1997 ( 312 ) 530- Chicago USA Mobility Wireless 04/15/1996 ( 312 ) 531- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 532- Chicago T-mobile USA 11/11/2003 ( 312 ) 533- Chicago Verizon Wireless 10/13/1999 ( 312 ) 534- Chicago 09/17/2008 ( 312 ) 537- Chicago 04/15/1996 ( 312 ) 540- Chicago 02/04/1994 ( 312 ) 541- Chicago 11/11/2003 ( 312 ) 542- Chicago 01/25/1998 ( 312 ) 543- Chicago Cingular Wireless 04/01/1997 ( 312 ) 544- Chicago 06/13/2000 ( 312 ) 545- Chicago sprint 03/03/2001 ( 312 ) 546- Chicago floor 3 Comms 01/25/1998 ( 312 ) 547- Chicago Cingular Wireless 11/11/2003 ( 312 ) 548- Chicago Broadwing Comms 09/05/2007 ( 312 ) 550- Chicago Verizon Wireless 11/11/2003 ( 312 ) 551- Chicago 02/04/1994 ( 312 ) 552- Chicago 02/04/1994 ( 312 ) 553- Chicago 02/04/1994 ( 312 ) 554- Chicago 02/04/1994 ( 312 ) 556- Chicago 11/11/2003 ( 312 ) 557- Chicago 11/11/2003 ( 312 ) 558- Chicago 02/04/1994 ( 312 ) 559- Chicago 02/04/1994 ( 312 ) 560- Chicago Cingular Wireless 11/11/2003 ( 312 ) 561- Chicago Verizon Wireless 06/20/2012 ( 312 ) 562- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 563- Chicago 02/04/1994 ( 312 ) 564- Chicago Cimco Comms 11/13/2006 ( 312 ) 565- Chicago 02/04/1994 ( 312 ) 566- Chicago 01/10/1996 ( 312 ) 567- Chicago 02/04/1994 ( 312 ) 568- Chicago 06/13/2000 ( 312 ) 569- Chicago 10/31/2000 ( 312 ) 570- Chicago 02/04/1994 ( 312 ) 571- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 572- Chicago 02/04/1994 ( 312 ) 573- Chicago 02/04/1994 ( 312 ) 574- Chicago 02/04/1994 ( 312 ) 575- Chicago 02/04/1994 ( 312 ) 576- Chicago Cingular Wireless 11/11/2003 ( 312 ) 577- Chicago Mci Worldcom Comms 01/11/1997 ( 312 ) 578- Chicago

11/11/2003 ( 312 ) 580- Chicago 02/04/1994 ( 312 ) 582- Chicago 05/16/2002 ( 312 ) 583- Chicago 01/25/1998 ( 312 ) 585- Chicago MCI Metro ATS 04/16/2013 ( 312 ) 587- Chicago 02/04/1994 ( 312 ) 588- Chicago 01/25/1998 ( 312 ) 589- Chicago 03/03/2001 ( 312 ) 590- Chicago Verizon Wireless 11/11/2003 ( 312 ) 591- Chicago 11/11/2003 ( 312 ) 592- Chicago 02/04/1994 ( 312 ) 593- Chicago T-mobile USA 11/11/2003 ( 312 ) 594- Chicago MCI Metro ATS 11/06/2008 ( 312 ) 595- Chicago 09/11/1994 ( 312 ) 596- Chicago Teleport Comms America 07/01/1996 ( 312 ) 600- Chicago neutral Tandem 05/01/2012 ( 312 ) 601- Chicago MCI Metro ATS 04/01/1997 ( 312 ) 602- Chicago Broadwing Comms 05/10/1999 ( 312 ) 603- Chicago 09/11/1994 ( 312 ) 604- Chicago Xo Illinois 01/25/1998 ( 312 ) 605- Chicago ovation Comms 08/06/2012 ( 312 ) 606- Chicago 02/04/1994 ( 312 ) 607- Chicago Cingular Wireless 11/11/2003 ( 312 ) 608- Chicago Cingular Wireless 11/11/2003 ( 312 ) 609- Chicago 02/04/1994 ( 312 ) 610- Chicago Verizon Wireless 08/06/2012 ( 312 ) 612- Chicago 10/31/2000 ( 312 ) 613- Chicago Cingular Wireless 11/11/2003 ( 312 ) 614- Chicago 10/19/2012 ( 312 ) 615- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 616- Chicago 02/04/1994 ( 312 ) 617- Chicago dash 11/11/2003 ( 312 ) 618- Chicago Cingular Wireless 11/11/2003 ( 312 ) 619- Chicago T-mobile USA 09/11/2012 ( 312 ) 620- Chicago Bandwidth.com 08/15/2012 ( 312 ) 621- Chicago 02/04/1994 ( 312 ) 622- Chicago Cingular Wireless 02/14/2001 ( 312 ) 623- Chicago Cingular Wireless 11/11/2003 ( 312 ) 624- Chicago Rcn Telecom Services 05/10/1999 ( 312 ) 625- Chicago level 3 Comms 05/01/2002 ( 312 ) 626- Chicago Broadvox-clec 02/04/2008 ( 312 ) 627- Chicago 02/04/1994 ( 312 ) 628- Chicago Xo Illinois 06/30/2001 ( 312 ) 629- Chicago 02/04/1994 ( 312 ) 630- Chicago 02/04/1994 ( 312 ) 631- Chicago Centurylink Comms 01/11/2013 ( 312 ) 632- Chicago 07/22/1999 ( 312 ) 633- Chicago 02/04/1994 ( 312 ) 634- Chicago 02/04/1994 ( 312 ) 635- Chicago Global Crossing Local Services 11/11/2003 ( 312 ) 636- Chicago Verizon Wireless 11/11/2003 ( 312 ) 637- Chicago Broadwing Comms 05/10/1999 ( 312 ) 638- Chicago Broadwing Comms 01/25/1998 ( 312 ) 640- Chicago 02/04/1994 ( 312 ) 641- Chicago 02/04/1994 ( 312 ) 642- Chicago 02/04/1994 ( 312 ) 643- Chicago Rcn Telecom Services 01/25/1998 ( 312 ) 644- Chicago 10/11/1997 ( 312 ) 645- Chicago 10/11/1997 ( 312 ) 646- Chicago Broadwing Comms 03/27/2007 ( 312 ) 647- Chicago T-mobile USA 05/24/2013 ( 312 ) 648- Chicago 02/04/1994 ( 312 ) 649- Chicago 02/04/1994 ( 312 ) 650- Chicago Rcn Telecom Services 01/25/1998 ( 312 ) 651- Chicago 01/25/1998 ( 312 ) 652- Chicago 11/11/2003 ( 312 ) 653- Chicago 07/04/1995 ( 312 ) 654- Chicago 02/04/1994 ( 312 ) 655- Chicago 02/04/1994 ( 312 ) 656- Chicago sprint 07/06/1997 ( 312 ) 657- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 658- Chicago 11/11/2003 ( 312 ) 659- Chicago Cingular Wireless 11/11/2003 ( 312 ) 660- Chicago Teleport Comms America 01/25/1998 ( 312 ) 661- Chicago 02/04/1994 ( 312 ) 662- Chicago 08/20/2000 ( 312 ) 663- Chicago 02/04/1994 ( 312 ) 664- Chicago 02/04/1994 ( 312 ) 665- Chicago Teleport Comms America 01/25/1998 ( 312 ) 666- Chicago 02/04/1994 ( 312 ) 667- Chicago Peerless Network 08/31/2012 ( 312 ) 669- Chicago 02/04/1994 ( 312 ) 670- Chicago 02/04/1994 ( 312 ) 671- Chicago sprint 11/11/2003 ( 312 ) 672- Chicago 10/11/1997 ( 312 ) 673- Chicago first Comms 04/01/1997 ( 312 ) 674- Chicago 10/11/1997 ( 312 ) 675- Chicago 08/20/2000 ( 312 ) 676- Chicago first Comms 06/16/2006 ( 312 ) 677- Chicago USA Mobility Wireless 10/15/1996 ( 312 ) 678- Chicago T-mobile USA 07/25/2013 ( 312 ) 679- Chicago american english Messaging ( am ) 04/23/2001 ( 312 ) 680- Chicago USA Mobility Wireless 01/10/1996 ( 312 ) 681- Chicago 08/20/2000 ( 312 ) 682- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 683- Chicago 11/11/2003 ( 312 ) 685- Chicago dash 10/13/1999 ( 312 ) 688- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 689- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 690- Rclec 05/06/2014 ( 312 ) 691- Chicago Indiana Paging Ntwk 04/01/1997 ( 312 ) 692- Chicago 02/04/1994 ( 312 ) 693- Chicago 01/25/1998 ( 312 ) 694- Chicago 10/31/2000 ( 312 ) 695- Chicago 05/10/1999 ( 312 ) 696- Chicago 11/11/2003 ( 312 ) 697- Chicago 11/11/2003 ( 312 ) 698- Chicago Broadwing Comms 08/23/2001 ( 312 ) 699- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 701- Chicago 02/04/1994 ( 312 ) 702- Chicago MCI Metro ATS 12/31/2012 ( 312 ) 703- Chicago 02/04/1994 ( 312 ) 704- Chicago 02/04/1994 ( 312 ) 705- Chicago Teleport Comms America 02/04/1994 ( 312 ) 706- Chicago Teleport Comms America 02/11/1995 ( 312 ) 707- Chicago 02/04/1994 ( 312 ) 709- Chicago T-mobile USA 05/24/2013 ( 312 ) 710- Chicago 07/04/1995 ( 312 ) 712- Chicago 02/04/1994 ( 312 ) 713- Chicago american Messaging ( am ) 04/16/2001 ( 312 ) 714- Chicago 10/31/2000 ( 312 ) 715- Chicago 02/04/1994 ( 312 ) 716- Chicago 02/04/1994 ( 312 ) 717- La Grange Park USA Mobility Wireless 02/11/1995 ( 312 ) 718- Chicago Verizon Wireless 11/11/2003 ( 312 ) 719- Chicago sprint 11/11/2003 ( 312 ) 720- Chicago Verizon Wireless 11/11/2003 ( 312 ) 721- Chicago T-mobile USA 10/22/2013 ( 312 ) 724- Chicago Bandwidth.com 02/07/2013 ( 312 ) 725- Chicago Bandwidth.com 10/08/2008 ( 312 ) 726- Chicago 02/04/1994 ( 312 ) 727- Chicago 02/04/1994 ( 312 ) 729- Chicago 07/06/1997 ( 312 ) 730- Chicago AT & T Local 01/25/1998 ( 312 ) 731- Chicago T-mobile USA 01/25/1998 ( 312 ) 732- Chicago 02/04/1994 ( 312 ) 733- Chicago 02/04/1994 ( 312 ) 735- Chicago sprint 07/06/2001 ( 312 ) 737- Chicago 01/25/1998 ( 312 ) 738- Chicago 02/04/1994 ( 312 ) 739- Chicago 11/11/2003 ( 312 ) 740- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 742- Chicago 02/11/1995 ( 312 ) 743- Chicago 11/15/2001 ( 312 ) 744- Chicago 02/04/1994 ( 312 ) 745- Chicago 01/25/1998 ( 312 ) 746- Chicago 02/04/1994 ( 312 ) 747- Chicago 02/04/1994 ( 312 ) 748- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 749- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 750- Chicago 02/04/1994 ( 312 ) 751- Chicago 02/04/1994 ( 312 ) 752- Chicago Broadwing Comms 04/19/2002 ( 312 ) 753- Chicago Rcn Telecom Services 01/25/1998 ( 312 ) 754- Chicago Tw Telecom 02/26/2013 ( 312 ) 755- Chicago 02/04/1994 ( 312 ) 756- Chicago 02/27/1999 ( 312 ) 757- Chicago Citrix Comms 03/28/2013 ( 312 ) 758- Chicago Verizon Wireless 11/11/2003 ( 312 ) 759- Chicago 02/04/1994 ( 312 ) 760- Chicago american english Messaging ( am ) 04/13/2001 ( 312 ) 762- Chicago 01/14/2000 ( 312 ) 763- Comcast Phone Of Illinois DBA Comco 05/12/2014 ( 312 ) 765- Chicago 02/04/1994 ( 312 ) 768- Chicago AT & T Local 01/25/1998 ( 312 ) 769- Chicago Indiana Paging Ntwk 01/25/1998 ( 312 ) 770- Chicago 02/04/1994 ( 312 ) 771- Chicago Verizon Wireless 11/11/2003 ( 312 ) 772- Chicago Cricket Comms 08/18/2008 ( 312 ) 774- Chicago T-mobile USA 08/19/2013 ( 312 ) 775- Chicago 10/13/1999 ( 312 ) 777- Chicago Teleport Comms America 01/25/1998 ( 312 ) 780- Chicago Mci Worldcom Comms 01/11/1997 ( 312 ) 781- Chicago 11/11/2003 ( 312 ) 782- Chicago 02/04/1994 ( 312 ) 784- Chicago first Comms 07/12/2007 ( 312 ) 786- Chicago 02/04/1994 ( 312 ) 787- Chicago 02/04/1994 ( 312 ) 788- Chicago 10/31/2000 ( 312 ) 789- Chicago 02/04/1994 ( 312 ) 790- Chicago 02/04/1994 ( 312 ) 791- Chicago 02/04/1994 ( 312 ) 793- Chicago 02/04/1994 ( 312 ) 794- Chicago Rcn Telecom Services 01/25/1998 ( 312 ) 795- Chicago 07/06/1997 ( 312 ) 797- Chicago 02/04/1994 ( 312 ) 798- Chicago 10/31/2000 ( 312 ) 799- Chicago 06/13/2000 ( 312 ) 800- Chicago Peerless Network 11/20/2012 ( 312 ) 801- Chicago 365 radio receiver 04/29/2013 ( 312 ) 802- Chicago Verizon Wireless 11/11/2003 ( 312 ) 803- Chicago Mci Worldcom Comms 09/11/1994 ( 312 ) 804- Chicago T-mobile USA 01/23/2002 ( 312 ) 805- Chicago Verizon Wireless 11/11/2003 ( 312 ) 806- Chicago Cingular Wireless 11/11/2003 ( 312 ) 807- Chicago 02/04/1994 ( 312 ) 808- Chicago 02/04/1994 ( 312 ) 809- Chicago MCI Metro ATS 10/25/2013 ( 312 ) 810- Chicago Cingular Wireless 11/11/2003 ( 312 ) 812- Chicago 02/04/1994 ( 312 ) 813- Chicago Cingular Wireless 11/11/2003 ( 312 ) 814- Chicago 02/04/1994 ( 312 ) 816- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 817- Chicago 02/11/1995 ( 312 ) 818- Chicago T-mobile USA 08/19/2013 ( 312 ) 819- Chicago 02/04/1994 ( 312 ) 820- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 821- Chicago Mci Worldcom Comms 01/25/1998 ( 312 ) 822- Chicago 02/04/1994 ( 312 ) 823- Chicago 09/11/1994 ( 312 ) 827- Chicago 09/11/1994 ( 312 ) 828- Chicago 02/04/1994 ( 312 ) 829- Chicago 02/04/1994 ( 312 ) 830- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 831- Chicago 02/04/1994 ( 312 ) 832- Chicago 01/10/1996 ( 312 ) 833- Chicago Verizon Wireless 11/11/2003 ( 312 ) 834- Chicago 10/31/2000 ( 312 ) 835- Chicago Verizon Wireless 11/11/2003 ( 312 ) 836- Chicago 10/11/1997 ( 312 ) 839- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 840- Chicago 02/04/1994 ( 312 ) 841- Chicago Cingular Wireless 11/11/2003 ( 312 ) 842- Chicago 02/04/1994 ( 312 ) 843- Chicago Teleport Comms America 03/12/2014 ( 312 ) 844- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 845- Chicago 11/11/2003 ( 312 ) 846- Chicago 01/25/1998 ( 312 ) 848- Chicago Verizon Wireless 11/11/2003 ( 312 ) 849- Chicago 11/11/2003 ( 312 ) 850- Chicago 02/04/1994 ( 312 ) 851- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 852- Chicago Cingular Wireless 11/11/2003 ( 312 ) 853- Chicago 02/04/1994 ( 312 ) 854- Chicago Rcn Telecom Services 01/25/1998 ( 312 ) 855- Chicago 02/04/1994 ( 312 ) 856- Chicago 02/04/1994 ( 312 ) 857- Chicago 02/04/1994 ( 312 ) 859- Chicago Verizon Wireless 11/11/2003 ( 312 ) 860- Chicago Cingular Wireless 11/11/2003 ( 312 ) 861- Chicago 02/04/1994 ( 312 ) 862- Chicago 01/25/2006 ( 312 ) 863- Chicago ovation Comms 04/10/2001 ( 312 ) 864- Chicago 10/31/2000 ( 312 ) 865- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 867- Chicago 01/10/1996 ( 312 ) 869- Chicago 10/31/2000 ( 312 ) 870- Chicago beginning Comms 07/06/1997 ( 312 ) 873- Chicago Mci Worldcom Comms 01/25/1998 ( 312 ) 875- Chicago 02/04/1994 ( 312 ) 876- Chicago 10/11/1997 ( 312 ) 878- Chicago Peerless Network 02/04/2008 ( 312 ) 879- Chicago 02/04/1994 ( 312 ) 880- Chicago 03/03/2001 ( 312 ) 881- Chicago ovation Comms 04/10/2001 ( 312 ) 882- Chicago Verizon Wireless 11/11/2003 ( 312 ) 884- Chicago ovation Comms 04/10/2001 ( 312 ) 886- Chicago 02/04/1994 ( 312 ) 887- Chicago 07/22/1999 ( 312 ) 888- Chicago Cingular Wireless 02/19/2009 ( 312 ) 890- Chicago sprint 03/03/2001 ( 312 ) 891- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 892- Chicago Broadwing Comms 01/25/1998 ( 312 ) 893- Chicago Broadwing Comms 01/25/1998 ( 312 ) 894- Chicago MCI Metro ATS 01/25/1998 ( 312 ) 895- Chicago Broadwing Comms 07/06/1997 ( 312 ) 896- Chicago Broadwing Comms 11/20/1998 ( 312 ) 898- Chicago Verizon Wireless 11/11/2003 ( 312 ) 899- Chicago 02/04/1994 ( 312 ) 901- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 902- Chicago 02/04/1994 ( 312 ) 903- Chicago american Messaging ( am ) 04/13/2001 ( 312 ) 904- Chicago 02/04/1994 ( 312 ) 905- Chicago 11/11/2003 ( 312 ) 906- Chicago 02/04/1994 ( 312 ) 907- Chicago sprint 01/25/1998 ( 312 ) 908- Chicago 02/04/1994 ( 312 ) 909- Chicago Verizon Wireless 11/11/2003 ( 312 ) 910- Chicago USA Mobility Wireless 11/11/2003 ( 312 ) 912- Chicago 09/11/1994 ( 312 ) 913- Chicago 10/11/1997 ( 312 ) 914- Chicago Verizon Wireless 11/11/2003 ( 312 ) 915- Chicago 02/04/1994 ( 312 ) 916- Chicago american Messaging ( am ) 04/23/2001 ( 312 ) 917- Chicago 02/04/1994 ( 312 ) 918- Chicago T-mobile USA 08/19/2013 ( 312 ) 919- Chicago Verizon Wireless 11/11/2003 ( 312 ) 920- Chicago 11/11/2003 ( 312 ) 921- Chicago 07/21/2008 ( 312 ) 922- Chicago 02/04/1994 ( 312 ) 923- Chicago 02/04/1994 ( 312 ) 924- Chicago Paetec Comms 03/03/2001 ( 312 ) 925- Chicago Cingular Wireless 01/25/1998 ( 312 ) 926- Chicago 04/01/1997 ( 312 ) 927- Chicago T-mobile USA 08/21/2002 ( 312 ) 928- Chicago 04/01/1997 ( 312 ) 929- Chicago T-mobile USA 04/27/2006 ( 312 ) 930- Chicago 02/04/1994 ( 312 ) 931- Chicago 02/04/1994 ( 312 ) 932- Chicago 02/04/1994 ( 312 ) 933- Chicago dash 01/25/1998 ( 312 ) 935- Chicago 01/25/1998 ( 312 ) 936- Chicago 02/04/1994 ( 312 ) 938- Chicago 02/04/1994 ( 312 ) 939- Chicago 02/04/1994 ( 312 ) 940- Chicago Peerless Network 09/20/2013 ( 312 ) 941- Chicago USA Mobility Wireless 02/04/1994 ( 312 ) 942- Chicago 02/04/1994 ( 312 ) 943- Chicago 02/04/1994 ( 312 ) 944- Chicago 02/04/1994 ( 312 ) 945- Chicago 02/04/1994 ( 312 ) 946- Chicago 02/04/1994 ( 312 ) 947- Chicago 11/18/2010 ( 312 ) 948- Chicago ovation Comms 04/10/2001 ( 312 ) 949- Chicago 02/04/1994 ( 312 ) 951- Chicago 02/04/1994 ( 312 ) 952- Chicago Cingular Wireless 10/15/1996 ( 312 ) 953- Chicago Cingular Wireless 04/01/1997 ( 312 ) 954- Chicago 02/04/1994 ( 312 ) 955- Chicago Rcn Telecom Services 01/25/1998 ( 312 ) 957- Chicago 09/11/1994 ( 312 ) 960- Chicago 07/06/1997 ( 312 ) 961- Chicago Cingular Wireless 01/25/1998 ( 312 ) 962- Chicago Global Crossing Local Services 01/25/1998 ( 312 ) 963- Chicago USA Mobility Wireless 02/11/1995 ( 312 ) 965- Chicago Verizon Wireless 11/11/2003 ( 312 ) 968- La Grange Park Verizon Wireless 02/11/1995 ( 312 ) 969- La Grange Park Verizon Wireless 02/11/1995 ( 312 ) 970- Chicago 03/03/2001 ( 312 ) 971- Bandwidth.com 05/01/2014 ( 312 ) 972- Chicago Cingular Wireless 11/11/2003 ( 312 ) 973- Chicago MCI Metro ATS 02/19/2014 ( 312 ) 974- Chicago 02/04/1994 ( 312 ) 977- Chicago 02/04/1994 ( 312 ) 978- Chicago T-mobile USA 10/22/2013 ( 312 ) 979- Chicago 02/04/1994 ( 312 ) 980- Chicago Teleport Comms America 04/01/1997 ( 312 ) 981- Chicago ovation Comms 04/10/2001 ( 312 ) 983- Chicago 02/04/1994 ( 312 ) 984- Chicago 02/04/1994 ( 312 ) 985- Chicago ovation Comms 04/10/2001 ( 312 ) 986- Chicago 02/04/1994 ( 312 ) 987- Chicago 02/04/1994 ( 312 ) 988- Chicago 02/04/1994 ( 312 ) 990- Hinsdale Cingular Wireless 02/11/1995 ( 312 ) 991- Wheeling Cingular Wireless 02/11/1995 ( 312 ) 992- Chicago 01/25/1998 ( 312 ) 993- Chicago 02/04/1994 ( 312 ) 994- Chicago ovation Comms 04/10/2001 ( 312 ) 996- Chicago 02/04/1994 ( 312 ) 997- Chicago 02/04/1994 ( 312 ) 999- Chicago Xo Illinois 08/20/2010

Heavily Reported Numbers

earphone complaint data powered by CallerCenter.com Sources : north american Numbering Plan Administration ( NANPA ), telecommunication providers, and the U.S. Census Bureau.