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312 Area Code

State: Illinois
Major City: Chicago
Timezone: Central
Current Time: 4:58pm
Short URL: allareacodes.com/312

Area Code 312 Map

Where is area code 312?

Area code 312 serves part 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 Central time zone is also known as America/Chicago. As of the last time this page was loaded, the current time is 4:58pm.

History

312 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the Chicago metropolitan area. 312 was split in 1996 creating the need to update some of the phone numbers to area code 773. In 2009, area code 872 was created and is currently an overlay to 312 and 773.

Nearby Area Codes

224/847 (Elgin, IL)
312 (Chicago, IL)
708 (Cicero, IL)
773 (Chicago, IL)
779/815 (Rockford, IL)
872 (Chicago, IL)

Top 1 Counties in Area Code 312

CountyTotal Population% of 312% of County
Cook, IL5,194,675100%1%

Top 1 Cities in Area Code 312

CityTotal Population% of 312% of City
Chicago, IL2,695,598100%8%

Largest Telephone Carriers

Landline

Prefixes Carrier
47%Ameritech
3%Broadwing
2%Mcimetro Access Transmission Services
1%Ovation
1%Teleport America
1%Allegiance Telecom
1%Rcn Telecom Services
10%Other

Wireless

Prefixes Carrier
10%Cingular
7%Verizon Wireless
6%Usa Mobility Wireless
3%Sprint
3%American Messaging (am)
2%T-mobile
1%Ameritech
1%Other

Prefixes

Assigned

Usage


Prefix
Usage
Primary City
Carrier
Introduced
(312) 201-
Chicago
Ameritech Illinois
11/11/2003
(312) 202-
Chicago
Ameritech Illinois
04/01/1997
(312) 203-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 204-
Chicago
Ameritech Illinois
10/11/1997
(312) 205-
Chicago
Allegiance Telecom
08/20/2000
(312) 206-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 207-
Chicago
Ameritech Illinois
10/11/1997
(312) 208-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 209-
Northbrook
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 212-
Chicago
Ameritech Illinois
10/31/2000
(312) 213-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 214-
Chicago
Ameritech Illinois
11/11/2003
(312) 215-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 216-
Chicago
First Communications LLC
02/13/2012
(312) 217-
Chicago
United States Cellular Corp. - Illinois
11/11/2003
(312) 218-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 219-
Chicago
Bandwidth.com Clec
04/10/2012
(312) 220-
Chicago
Ameritech Illinois
02/04/1994
(312) 221-
Chicago
Sprint Spectrum
06/17/2011
(312) 222-
Chicago
Ameritech Illinois
02/04/1994
(312) 223-
Chicago
Ameritech Illinois
10/11/1997
(312) 224-
Chicago
Broadwing Communications
10/13/1999
(312) 225-
Chicago
Ameritech Illinois
10/11/1997
(312) 226-
Chicago
Ameritech Illinois
10/11/1997
(312) 227-
Chicago
Ameritech Illinois
09/15/2010
(312) 228-
Chicago
Ameritech Illinois
10/11/1997
(312) 229-
Chicago
Ameritech Illinois
06/13/2000
(312) 230-
Chicago
Ameritech Illinois
10/11/1997
(312) 231-
Roselle
New Cingular Wireless PCS
01/10/1996
(312) 232-
Chicago
American Messaging (am)
04/23/2001
(312) 233-
Chicago
Ameritech Illinois
10/13/1999
(312) 234-
Chicago
Ameritech Illinois
01/25/1998
(312) 235-
Chicago
Ameritech Illinois
01/14/2000
(312) 236-
Chicago
Ameritech Illinois
11/11/2003
(312) 237-
Chicago
Cellco Partnership DBA Verizon Wireless
10/31/2000
(312) 238-
Chicago
Broadwing Communications
10/13/1999
(312) 239-
Chicago
AT&T Local
01/25/1998
(312) 240-
Chicago
Ameritech Illinois
10/11/1997
(312) 241-
Chicago
New Cingular Wireless PCS
08/17/2011
(312) 242-
Chicago
Teleport Communications America
08/20/2000
(312) 243-
Chicago
Ameritech Illinois
10/11/1997
(312) 244-
Chicago
Ameritech Illinois
10/31/2000
(312) 245-
Chicago
Ameritech Illinois
10/11/1997
(312) 246-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 247-
Chicago
First Communications LLC
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
Ameritech Illinois
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
Ameritech Illinois
10/11/1997
(312) 256-
Chicago
Allegiance Telecom
01/25/1998
(312) 257-
Chicago
Cellco Partnership DBA Verizon Wireless
08/18/2011
(312) 258-
Chicago
Ameritech Illinois
10/11/1997
(312) 259-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 260-
Chicago
Mcimetro Access Transmission Services LLC
04/01/1997
(312) 261-
Chicago
Broadwing Communications
05/10/1999
(312) 262-
Chicago
Allegiance Telecom
01/25/1998
(312) 263-
Chicago
Ameritech Illinois
02/04/1994
(312) 264-
Chicago
Broadwing Communications
07/22/1999
(312) 265-
Chicago
Access One
11/29/2005
(312) 266-
Chicago
Ameritech Illinois
02/04/1994
(312) 267-
Chicago
Ameritech Illinois
06/13/2000
(312) 268-
Chicago
Broadwing Communications
03/03/2001
(312) 269-
Chicago
Ameritech Illinois
02/04/1994
(312) 271-
Chicago
Usa Mobility Wireless
01/25/1998
(312) 272-
Chicago
Usa Mobility Wireless
07/01/1996
(312) 273-
Chicago
Cellco Partnership DBA Verizon Wireless
09/13/2011
(312) 274-
Chicago
Ameritech Illinois
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 Communications
10/31/2000
(312) 279-
Chicago
Mcimetro Access Transmission Services LLC
01/25/1998
(312) 280-
Chicago
Ameritech Illinois
10/11/1997
(312) 281-
Chicago
Global Crossing Local Services-il
10/13/1999
(312) 282-
Chicago
New Cingular Wireless PCS
10/31/2000
(312) 283-
Chicago
Global Crossing Local Services-il
10/13/1999
(312) 284-
Chicago
Xo Illinois
06/30/2001
(312) 285-
Chicago
Sprint Spectrum
06/30/2001
(312) 286-
Chicago
New Cingular Wireless PCS
06/13/2000
(312) 287-
Chicago
Sprint Spectrum
10/31/2000
(312) 288-
Chicago
Mcimetro Access Transmission Services LLC
01/25/1998
(312) 289-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 290-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 291-
Chicago
Ameritech Illinois
06/13/2000
(312) 292-
Chicago
Bandwidth.com Clec
09/02/2011
(312) 293-
Chicago
Ameritech Illinois
02/04/1994
(312) 294-
Chicago
Ameritech Illinois
10/11/1997
(312) 295-
La Grange Park
Usa Mobility Wireless
02/11/1995
(312) 296-
Chicago
Sprint Spectrum
01/14/2000
(312) 297-
Chicago
Ameritech Illinois
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
New Cingular Wireless PCS
02/11/1995
(312) 302-
Chicago
Ameritech Illinois
02/04/1994
(312) 303-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 304-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 305-
Northbrook
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 306-
Chicago
Ameritech Illinois
02/04/1994
(312) 307-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 308-
Chicago
Ameritech Illinois
10/11/1997
(312) 309-
Chicago
Ameritech Illinois
11/11/2003
(312) 310-
Northbrook
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 314-
Hinsdale
New Cingular Wireless PCS
09/11/1994
(312) 315-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 316-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 317-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 318-
La Grange Park
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 320-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 321-
Chicago
Ameritech Illinois
10/11/1997
(312) 322-
Chicago
Ameritech Illinois
10/11/1997
(312) 323-
Chicago
American Messaging (am)
04/13/2001
(312) 324-
Chicago
Level 3 Communications
05/03/2001
(312) 325-
Chicago
Ameritech Illinois
06/24/2003
(312) 326-
Chicago
Ameritech Illinois
02/04/1994
(312) 327-
Chicago
Xo Illinois
08/20/2000
(312) 328-
Chicago
Ameritech Illinois
10/11/1997
(312) 329-
Chicago
Ameritech Illinois
02/04/1994
(312) 330-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 331-
Wheeling
New Cingular Wireless PCS
01/10/1996
(312) 332-
Chicago
Ameritech Illinois
02/04/1994
(312) 333-
Chicago
American Messaging (am)
04/13/2001
(312) 334-
Chicago
First Communications LLC
10/31/2000
(312) 335-
Chicago
Ameritech Illinois
02/04/1994
(312) 336-
Chicago
Ameritech Illinois
11/11/2003
(312) 337-
Chicago
Ameritech Illinois
02/04/1994
(312) 338-
Chicago
Ameritech Illinois
04/01/1997
(312) 339-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 340-
Chicago
Cellco Partnership DBA Verizon Wireless
09/21/2011
(312) 341-
Chicago
Ameritech Illinois
10/11/1997
(312) 342-
Chicago
New Cingular Wireless PCS
06/30/2001
(312) 343-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 344-
Chicago
Ameritech Illinois
07/06/1997
(312) 345-
Chicago
Ameritech Illinois
11/11/2003
(312) 346-
Chicago
Ameritech Illinois
11/11/2003
(312) 347-
Chicago
Ameritech Illinois
02/04/1994
(312) 348-
Chicago
Neutral Tandem-illinois
11/14/2003
(312) 349-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 350-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 351-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 352-
Hinsdale
New Cingular Wireless PCS
07/04/1995
(312) 353-
Chicago
Ameritech Illinois
02/04/1994
(312) 354-
Roselle
New Cingular Wireless PCS
01/10/1996
(312) 355-
Chicago
Ameritech Illinois
07/04/1995
(312) 356-
Chicago
Ameritech Illinois
01/14/2000
(312) 357-
Chicago
Ameritech Illinois
10/11/1997
(312) 359-
Chicago
Usa Mobility Wireless
07/04/1995
(312) 360-
Chicago
Ameritech Illinois
02/04/1994
(312) 361-
Chicago
Ameritech Illinois
10/31/2000
(312) 362-
Chicago
Ameritech Illinois
10/11/1997
(312) 363-
Chicago
Rcn Telecom Services Of Illinois
05/10/1999
(312) 364-
Chicago
Ameritech Illinois
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
Ameritech Illinois
02/04/1994
(312) 369-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 370-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 371-
Chicago
Sprint Spectrum
01/25/1998
(312) 372-
Chicago
Ameritech Illinois
11/11/2003
(312) 373-
Chicago
Broadwing Communications
05/10/1999
(312) 374-
Chicago
Ameritech Illinois
10/13/1999
(312) 375-
Chicago
T-mobile Usa
06/30/2001
(312) 376-
Chicago
Cbeyond Communications
06/11/2004
(312) 377-
Chicago
Xo Illinois
01/25/1998
(312) 378-
Chicago
Usa Mobility Wireless
01/25/1998
(312) 379-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 380-
Chicago
Ameritech Illinois
08/20/2000
(312) 381-
Chicago
Ameritech Illinois
05/10/1999
(312) 382-
Chicago
Ameritech Illinois
02/04/1994
(312) 384-
Chicago
Ameritech Illinois
10/13/1999
(312) 385-
Chicago
Ameritech Illinois
01/25/1998
(312) 386-
Chicago
Ameritech Illinois
08/20/2000
(312) 387-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 388-
Chicago
Sprint Spectrum
01/25/1998
(312) 389-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 390-
Chicago
American Messaging (am)
04/16/2001
(312) 391-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 393-
Chicago
American Messaging (am)
04/23/2001
(312) 394-
Chicago
Ameritech Illinois
02/04/1994
(312) 395-
Chicago
AT&T Local
01/25/1998
(312) 396-
Chicago
Ameritech Illinois
02/04/1994
(312) 397-
Chicago
Ameritech Illinois
10/11/1997
(312) 398-
Chicago
Usa Mobility Wireless
01/10/1996
(312) 399-
Chicago
Sprint Spectrum
07/22/1999
(312) 400-
Chicago
American Messaging (am)
04/13/2001
(312) 401-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 402-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 403-
La Grange Park
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 404-
Chicago
T-mobile Usa
10/14/2002
(312) 405-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 406-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 407-
Chicago
Ameritech Illinois
02/04/1994
(312) 408-
Chicago
Ameritech Illinois
10/11/1997
(312) 409-
Chicago
Ameritech Illinois
09/11/1994
(312) 410-
Chicago
Ameritech Illinois
02/04/1994
(312) 412-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 413-
Chicago
Ameritech Illinois
02/04/1994
(312) 415-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 416-
Chicago
Mci Worldcom Communications
01/10/1996
(312) 417-
Chicago
Ameritech Illinois
02/04/1994
(312) 418-
Chicago
Usa Mobility Wireless
09/11/1994
(312) 419-
Chicago
Ameritech Illinois
11/11/2003
(312) 420-
Chicago
New Cingular Wireless PCS
06/30/2001
(312) 421-
Chicago
Ameritech Illinois
02/04/1994
(312) 422-
Chicago
Ameritech Illinois
11/11/2003
(312) 423-
Chicago
Broadwing Communications
11/11/2003
(312) 424-
Chicago
Ameritech Illinois
09/11/1994
(312) 425-
Chicago
Ameritech Illinois
07/01/1996
(312) 426-
Chicago
Usa Mobility Wireless
01/10/1996
(312) 427-
Chicago
Ameritech Illinois
02/04/1994
(312) 428-
Chicago
Level 3 Communications
11/11/2003
(312) 429-
Chicago
Global Crossing Local Services-il
10/13/1999
(312) 430-
Chicago
Ameritech Illinois
05/02/2004
(312) 431-
Chicago
Ameritech Illinois
10/11/1997
(312) 432-
Chicago
Ameritech Illinois
02/11/1995
(312) 433-
Chicago
Ameritech Illinois
02/04/1994
(312) 434-
Chicago
Sprint Spectrum
07/08/2011
(312) 435-
Chicago
Ameritech Illinois
02/04/1994
(312) 436-
Chicago
Ameritech Illinois
01/14/2000
(312) 437-
Chicago
Sprint Spectrum
07/22/1999
(312) 440-
Chicago
Ameritech Illinois
02/04/1994
(312) 441-
Chicago
Ameritech Illinois
02/04/1994
(312) 442-
Chicago
Ameritech Illinois
01/25/1998
(312) 443-
Chicago
Ameritech Illinois
11/11/2003
(312) 444-
Chicago
Ameritech Illinois
02/04/1994
(312) 445-
Chicago
Ameritech Illinois
06/13/2000
(312) 446-
Chicago
Sprint Spectrum
08/14/1998
(312) 447-
Chicago
Ameritech Illinois
06/13/2000
(312) 448-
Chicago
Cellco Partnership DBA Verizon Wireless
08/02/2011
(312) 449-
Chicago
American Messaging (am)
04/23/2001
(312) 450-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 451-
Chicago
T-mobile Usa
01/25/1998
(312) 452-
Chicago
American Messaging (am)
04/13/2001
(312) 453-
Chicago
Mci Worldcom Communications
01/10/1996
(312) 454-
Chicago
Ameritech Illinois
02/04/1994
(312) 455-
Chicago
Ameritech Illinois
02/04/1994
(312) 456-
Chicago
Ameritech Illinois
02/04/1994
(312) 457-
Chicago
American Messaging (am)
04/23/2001
(312) 458-
Chicago
Ameritech Illinois
02/04/1994
(312) 459-
Chicago
T-mobile Usa
08/02/2011
(312) 460-
Chicago
Ameritech Illinois
11/11/2003
(312) 461-
Chicago
Ameritech Illinois
02/04/1994
(312) 462-
Chicago
Ameritech Illinois
10/11/1997
(312) 463-
Chicago
Ameritech Illinois
01/25/1998
(312) 464-
Chicago
Ameritech Illinois
02/04/1994
(312) 465-
Chicago
Us Xchange Of Illinois LLC DBA Choice One Comm Il
03/26/2009
(312) 466-
Chicago
Ameritech Illinois
02/04/1994
(312) 467-
Chicago
Ameritech Illinois
02/04/1994
(312) 469-
Chicago
Ameritech Illinois
10/31/2000
(312) 470-
Chicago
Mcimetro Access Transmission Services LLC
01/10/1996
(312) 472-
Chicago
Ameritech Illinois
10/27/2005
(312) 473-
Chicago
Ymax Communications Corp.
11/15/2006
(312) 474-
Chicago
Ameritech Illinois
02/04/1994
(312) 475-
Chicago
Ameritech Illinois
01/25/1998
(312) 476-
Chicago
Sprint Spectrum
08/20/2000
(312) 477-
Chicago
Level 3 Communications
10/20/2010
(312) 478-
Chicago
T-mobile Usa
03/20/2014
(312) 479-
Chicago
AT&T Local
01/25/1998
(312) 480-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 482-
Chicago
Ameritech Illinois
02/04/1994
(312) 484-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 485-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 486-
Chicago
Mci Worldcom Communications
04/23/2004
(312) 488-
Chicago
Pg Telecom Of Illinois Inc.
01/18/2006
(312) 489-
Chicago
Cellco Partnership DBA Verizon Wireless
08/20/2000
(312) 490-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 491-
Chicago
Ameritech Illinois
07/04/1995
(312) 492-
Chicago
Ameritech Illinois
07/06/1997
(312) 493-
Chicago
T-mobile Usa
06/30/2001
(312) 494-
Chicago
Ameritech Illinois
02/04/1994
(312) 495-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 496-
Chicago
Ameritech Illinois
07/01/1996
(312) 497-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 498-
Chicago
Sprint Spectrum
07/22/1999
(312) 499-
Chicago
Ameritech Illinois
02/04/1994
(312) 501-
La Grange Park
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 502-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 503-
Chicago
Broadwing Communications
02/04/1994
(312) 504-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 505-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 506-
Chicago
Cimco Communications
05/24/2004
(312) 507-
Chicago
Ameritech Illinois
02/04/1994
(312) 508-
Chicago
Peerless Network Of Illinois
03/19/2012
(312) 509-
Chicago
Peerless Network Of Illinois
03/06/2012
(312) 510-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 512-
Chicago
Usa Mobility Wireless
05/01/2002
(312) 513-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 514-
Chicago
American Messaging (am)
04/13/2001
(312) 515-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 516-
Chicago
Ameritech Illinois
02/11/1995
(312) 518-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 519-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 520-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 521-
Chicago
AT&T Local
01/25/1998
(312) 523-
Chicago
Sprint Spectrum
06/30/2001
(312) 524-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 525-
Chicago
Mcimetro Access Transmission Services LLC
03/20/2002
(312) 526-
Chicago
Ameritech Illinois
07/04/1995
(312) 527-
Chicago
Ameritech Illinois
02/04/1994
(312) 528-
Chicago
Ameritech Illinois
01/25/1998
(312) 529-
Chicago
AT&T Local
10/11/1997
(312) 530-
Chicago
Usa Mobility Wireless
04/15/1996
(312) 531-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 532-
Chicago
T-mobile Usa
11/11/2003
(312) 533-
Chicago
Cellco Partnership DBA Verizon Wireless
10/13/1999
(312) 534-
Chicago
Ameritech Illinois
09/17/2008
(312) 537-
Chicago
Ameritech Illinois
04/15/1996
(312) 540-
Chicago
Ameritech Illinois
02/04/1994
(312) 541-
Chicago
Ameritech Illinois
11/11/2003
(312) 542-
Chicago
Ameritech Illinois
01/25/1998
(312) 543-
Chicago
New Cingular Wireless PCS
04/01/1997
(312) 544-
Chicago
Ameritech Illinois
06/13/2000
(312) 545-
Chicago
Sprint Spectrum
03/03/2001
(312) 546-
Chicago
Level 3 Communications
01/25/1998
(312) 547-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 548-
Chicago
Broadwing Communications
09/05/2007
(312) 550-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 551-
Chicago
Ameritech Illinois
02/04/1994
(312) 552-
Chicago
Ameritech Illinois
02/04/1994
(312) 553-
Chicago
Ameritech Illinois
02/04/1994
(312) 554-
Chicago
Ameritech Illinois
02/04/1994
(312) 556-
Chicago
Ameritech Illinois
11/11/2003
(312) 557-
Chicago
Ameritech Illinois
11/11/2003
(312) 558-
Chicago
Ameritech Illinois
02/04/1994
(312) 559-
Chicago
Ameritech Illinois
02/04/1994
(312) 560-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 561-
Chicago
Cellco Partnership DBA Verizon Wireless
06/20/2012
(312) 562-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 563-
Chicago
Ameritech Illinois
02/04/1994
(312) 564-
Chicago
Cimco Communications
11/13/2006
(312) 565-
Chicago
Ameritech Illinois
02/04/1994
(312) 566-
Chicago
Ameritech Illinois
01/10/1996
(312) 567-
Chicago
Ameritech Illinois
02/04/1994
(312) 568-
Chicago
Ameritech Illinois
06/13/2000
(312) 569-
Chicago
Ameritech Illinois
10/31/2000
(312) 570-
Chicago
Ameritech Illinois
02/04/1994
(312) 571-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 572-
Chicago
Ameritech Illinois
02/04/1994
(312) 573-
Chicago
Ameritech Illinois
02/04/1994
(312) 574-
Chicago
Ameritech Illinois
02/04/1994
(312) 575-
Chicago
Ameritech Illinois
02/04/1994
(312) 576-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 577-
Chicago
Mci Worldcom Communications
01/11/1997
(312) 578-
Chicago
Ameritech Illinois
11/11/2003
(312) 580-
Chicago
Ameritech Illinois
02/04/1994
(312) 582-
Chicago
Ameritech Illinois
05/16/2002
(312) 583-
Chicago
Ameritech Illinois
01/25/1998
(312) 585-
Chicago
Mcimetro Access Transmission Services LLC
04/16/2013
(312) 587-
Chicago
Ameritech Illinois
02/04/1994
(312) 588-
Chicago
Ameritech Illinois
01/25/1998
(312) 589-
Chicago
Ameritech Illinois
03/03/2001
(312) 590-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 591-
Chicago
Ameritech Illinois
11/11/2003
(312) 592-
Chicago
Ameritech Illinois
02/04/1994
(312) 593-
Chicago
T-mobile Usa
11/11/2003
(312) 594-
Chicago
Mcimetro Access Transmission Services LLC
11/06/2008
(312) 595-
Chicago
Ameritech Illinois
09/11/1994
(312) 596-
Chicago
Teleport Communications America
07/01/1996
(312) 600-
Chicago
Neutral Tandem-illinois
05/01/2012
(312) 601-
Chicago
Mcimetro Access Transmission Services LLC
04/01/1997
(312) 602-
Chicago
Broadwing Communications
05/10/1999
(312) 603-
Chicago
Ameritech Illinois
09/11/1994
(312) 604-
Chicago
Xo Illinois
01/25/1998
(312) 605-
Chicago
Ovation Communications Of Illinois
08/06/2012
(312) 606-
Chicago
Ameritech Illinois
02/04/1994
(312) 607-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 608-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 609-
Chicago
Ameritech Illinois
02/04/1994
(312) 610-
Chicago
Cellco Partnership DBA Verizon Wireless
08/06/2012
(312) 612-
Chicago
Ameritech Illinois
10/31/2000
(312) 613-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 614-
Chicago
Ameritech Illinois
10/19/2012
(312) 615-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 616-
Chicago
Ameritech Illinois
02/04/1994
(312) 617-
Chicago
Sprint Spectrum
11/11/2003
(312) 618-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 619-
Chicago
T-mobile Usa
09/11/2012
(312) 620-
Chicago
Bandwidth.com Clec
08/15/2012
(312) 621-
Chicago
Ameritech Illinois
02/04/1994
(312) 622-
Chicago
New Cingular Wireless PCS
02/14/2001
(312) 623-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 624-
Chicago
Rcn Telecom Services Of Illinois
05/10/1999
(312) 625-
Chicago
Level 3 Communications
05/01/2002
(312) 626-
Chicago
Broadvox-clec
02/04/2008
(312) 627-
Chicago
Ameritech Illinois
02/04/1994
(312) 628-
Chicago
Xo Illinois
06/30/2001
(312) 629-
Chicago
Ameritech Illinois
02/04/1994
(312) 630-
Chicago
Ameritech Illinois
02/04/1994
(312) 631-
Chicago
Centurylink Communications LLC
01/11/2013
(312) 632-
Chicago
Ameritech Illinois
07/22/1999
(312) 633-
Chicago
Ameritech Illinois
02/04/1994
(312) 634-
Chicago
Ameritech Illinois
02/04/1994
(312) 635-
Chicago
Global Crossing Local Services-il
11/11/2003
(312) 636-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 637-
Chicago
Broadwing Communications
05/10/1999
(312) 638-
Chicago
Broadwing Communications
01/25/1998
(312) 640-
Chicago
Ameritech Illinois
02/04/1994
(312) 641-
Chicago
Ameritech Illinois
02/04/1994
(312) 642-
Chicago
Ameritech Illinois
02/04/1994
(312) 643-
Chicago
Rcn Telecom Services Of Illinois
01/25/1998
(312) 644-
Chicago
Ameritech Illinois
10/11/1997
(312) 645-
Chicago
Ameritech Illinois
10/11/1997
(312) 646-
Chicago
Broadwing Communications
03/27/2007
(312) 647-
Chicago
T-mobile Usa
05/24/2013
(312) 648-
Chicago
Ameritech Illinois
02/04/1994
(312) 649-
Chicago
Ameritech Illinois
02/04/1994
(312) 650-
Chicago
Rcn Telecom Services Of Illinois
01/25/1998
(312) 651-
Chicago
Ameritech Illinois
01/25/1998
(312) 652-
Chicago
Ameritech Illinois
11/11/2003
(312) 653-
Chicago
Ameritech Illinois
07/04/1995
(312) 654-
Chicago
Ameritech Illinois
02/04/1994
(312) 655-
Chicago
Ameritech Illinois
02/04/1994
(312) 656-
Chicago
Sprint Spectrum
07/06/1997
(312) 657-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 658-
Chicago
Ameritech Illinois
11/11/2003
(312) 659-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 660-
Chicago
Teleport Communications America
01/25/1998
(312) 661-
Chicago
Ameritech Illinois
02/04/1994
(312) 662-
Chicago
Ameritech Illinois
08/20/2000
(312) 663-
Chicago
Ameritech Illinois
02/04/1994
(312) 664-
Chicago
Ameritech Illinois
02/04/1994
(312) 665-
Chicago
Teleport Communications America
01/25/1998
(312) 666-
Chicago
Ameritech Illinois
02/04/1994
(312) 667-
Chicago
Peerless Network Of Illinois
08/31/2012
(312) 669-
Chicago
Ameritech Illinois
02/04/1994
(312) 670-
Chicago
Ameritech Illinois
02/04/1994
(312) 671-
Chicago
Sprint Spectrum
11/11/2003
(312) 672-
Chicago
Ameritech Illinois
10/11/1997
(312) 673-
Chicago
First Communications LLC
04/01/1997
(312) 674-
Chicago
Ameritech Illinois
10/11/1997
(312) 675-
Chicago
Ameritech Illinois
08/20/2000
(312) 676-
Chicago
First Communications LLC
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 Messaging (am)
04/23/2001
(312) 680-
Chicago
Usa Mobility Wireless
01/10/1996
(312) 681-
Chicago
Ameritech Illinois
08/20/2000
(312) 682-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 683-
Chicago
Ameritech Illinois
11/11/2003
(312) 685-
Chicago
Sprint Spectrum
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
Ameritech Illinois
02/04/1994
(312) 693-
Chicago
Ameritech Illinois
01/25/1998
(312) 694-
Chicago
Ameritech Illinois
10/31/2000
(312) 695-
Chicago
Ameritech Illinois
05/10/1999
(312) 696-
Chicago
Ameritech Illinois
11/11/2003
(312) 697-
Chicago
Ameritech Illinois
11/11/2003
(312) 698-
Chicago
Broadwing Communications
08/23/2001
(312) 699-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 701-
Chicago
Ameritech Illinois
02/04/1994
(312) 702-
Chicago
Mcimetro Access Transmission Services LLC
12/31/2012
(312) 703-
Chicago
Ameritech Illinois
02/04/1994
(312) 704-
Chicago
Ameritech Illinois
02/04/1994
(312) 705-
Chicago
Teleport Communications America
02/04/1994
(312) 706-
Chicago
Teleport Communications America
02/11/1995
(312) 707-
Chicago
Ameritech Illinois
02/04/1994
(312) 709-
Chicago
T-mobile Usa
05/24/2013
(312) 710-
Chicago
Ameritech Illinois
07/04/1995
(312) 712-
Chicago
Ameritech Illinois
02/04/1994
(312) 713-
Chicago
American Messaging (am)
04/16/2001
(312) 714-
Chicago
Ameritech Illinois
10/31/2000
(312) 715-
Chicago
Ameritech Illinois
02/04/1994
(312) 716-
Chicago
Ameritech Illinois
02/04/1994
(312) 717-
La Grange Park
Usa Mobility Wireless
02/11/1995
(312) 718-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 719-
Chicago
Sprint Spectrum
11/11/2003
(312) 720-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 721-
Chicago
T-mobile Usa
10/22/2013
(312) 724-
Chicago
Bandwidth.com Clec
02/07/2013
(312) 725-
Chicago
Bandwidth.com Clec
10/08/2008
(312) 726-
Chicago
Ameritech Illinois
02/04/1994
(312) 727-
Chicago
Ameritech Illinois
02/04/1994
(312) 729-
Chicago
Ameritech Illinois
07/06/1997
(312) 730-
Chicago
AT&T Local
01/25/1998
(312) 731-
Chicago
T-mobile Usa
01/25/1998
(312) 732-
Chicago
Ameritech Illinois
02/04/1994
(312) 733-
Chicago
Ameritech Illinois
02/04/1994
(312) 735-
Chicago
Sprint Spectrum
07/06/2001
(312) 737-
Chicago
Ameritech Illinois
01/25/1998
(312) 738-
Chicago
Ameritech Illinois
02/04/1994
(312) 739-
Chicago
Ameritech Illinois
11/11/2003
(312) 740-
Chicago
American Messaging (am)
04/13/2001
(312) 742-
Chicago
Ameritech Illinois
02/11/1995
(312) 743-
Chicago
Ameritech Illinois
11/15/2001
(312) 744-
Chicago
Ameritech Illinois
02/04/1994
(312) 745-
Chicago
Ameritech Illinois
01/25/1998
(312) 746-
Chicago
Ameritech Illinois
02/04/1994
(312) 747-
Chicago
Ameritech Illinois
02/04/1994
(312) 748-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 749-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 750-
Chicago
Ameritech Illinois
02/04/1994
(312) 751-
Chicago
Ameritech Illinois
02/04/1994
(312) 752-
Chicago
Broadwing Communications
04/19/2002
(312) 753-
Chicago
Rcn Telecom Services Of Illinois
01/25/1998
(312) 754-
Chicago
Tw Telecom Of Illinois LLC
02/26/2013
(312) 755-
Chicago
Ameritech Illinois
02/04/1994
(312) 756-
Chicago
Ameritech Illinois
02/27/1999
(312) 757-
Chicago
Citrix Communications LLC
03/28/2013
(312) 758-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 759-
Chicago
Ameritech Illinois
02/04/1994
(312) 760-
Chicago
American Messaging (am)
04/13/2001
(312) 762-
Chicago
Ameritech Illinois
01/14/2000
(312) 763-
Comcast Phone Of Illinois DBA Comco
05/12/2014
(312) 765-
Chicago
Ameritech Illinois
02/04/1994
(312) 768-
Chicago
AT&T Local
01/25/1998
(312) 769-
Chicago
Indiana Paging Ntwk
01/25/1998
(312) 770-
Chicago
Ameritech Illinois
02/04/1994
(312) 771-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 772-
Chicago
Cricket Communications
08/18/2008
(312) 774-
Chicago
T-mobile Usa
08/19/2013
(312) 775-
Chicago
Ameritech Illinois
10/13/1999
(312) 777-
Chicago
Teleport Communications America
01/25/1998
(312) 780-
Chicago
Mci Worldcom Communications
01/11/1997
(312) 781-
Chicago
Ameritech Illinois
11/11/2003
(312) 782-
Chicago
Ameritech Illinois
02/04/1994
(312) 784-
Chicago
First Communications LLC
07/12/2007
(312) 786-
Chicago
Ameritech Illinois
02/04/1994
(312) 787-
Chicago
Ameritech Illinois
02/04/1994
(312) 788-
Chicago
Ameritech Illinois
10/31/2000
(312) 789-
Chicago
Ameritech Illinois
02/04/1994
(312) 790-
Chicago
Ameritech Illinois
02/04/1994
(312) 791-
Chicago
Ameritech Illinois
02/04/1994
(312) 793-
Chicago
Ameritech Illinois
02/04/1994
(312) 794-
Chicago
Rcn Telecom Services Of Illinois
01/25/1998
(312) 795-
Chicago
Ameritech Illinois
07/06/1997
(312) 797-
Chicago
Ameritech Illinois
02/04/1994
(312) 798-
Chicago
Ameritech Illinois
10/31/2000
(312) 799-
Chicago
Ameritech Illinois
06/13/2000
(312) 800-
Chicago
Peerless Network Of Illinois
11/20/2012
(312) 801-
Chicago
365 Wireless
04/29/2013
(312) 802-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 803-
Chicago
Mci Worldcom Communications
09/11/1994
(312) 804-
Chicago
T-mobile Usa
01/23/2002
(312) 805-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 806-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 807-
Chicago
Ameritech Illinois
02/04/1994
(312) 808-
Chicago
Ameritech Illinois
02/04/1994
(312) 809-
Chicago
Mcimetro Access Transmission Services LLC
10/25/2013
(312) 810-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 812-
Chicago
Ameritech Illinois
02/04/1994
(312) 813-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 814-
Chicago
Ameritech Illinois
02/04/1994
(312) 816-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 817-
Chicago
Ameritech Illinois
02/11/1995
(312) 818-
Chicago
T-mobile Usa
08/19/2013
(312) 819-
Chicago
Ameritech Illinois
02/04/1994
(312) 820-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 821-
Chicago
Mci Worldcom Communications
01/25/1998
(312) 822-
Chicago
Ameritech Illinois
02/04/1994
(312) 823-
Chicago
Ameritech Illinois
09/11/1994
(312) 827-
Chicago
Ameritech Illinois
09/11/1994
(312) 828-
Chicago
Ameritech Illinois
02/04/1994
(312) 829-
Chicago
Ameritech Illinois
02/04/1994
(312) 830-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 831-
Chicago
Ameritech Illinois
02/04/1994
(312) 832-
Chicago
Ameritech Illinois
01/10/1996
(312) 833-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 834-
Chicago
Ameritech Illinois
10/31/2000
(312) 835-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 836-
Chicago
Ameritech Illinois
10/11/1997
(312) 839-
Chicago
American Messaging (am)
04/13/2001
(312) 840-
Chicago
Ameritech Illinois
02/04/1994
(312) 841-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 842-
Chicago
Ameritech Illinois
02/04/1994
(312) 843-
Chicago
Teleport Communications America
03/12/2014
(312) 844-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 845-
Chicago
Ameritech Illinois
11/11/2003
(312) 846-
Chicago
Ameritech Illinois
01/25/1998
(312) 848-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 849-
Chicago
Ameritech Illinois
11/11/2003
(312) 850-
Chicago
Ameritech Illinois
02/04/1994
(312) 851-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 852-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 853-
Chicago
Ameritech Illinois
02/04/1994
(312) 854-
Chicago
Rcn Telecom Services Of Illinois
01/25/1998
(312) 855-
Chicago
Ameritech Illinois
02/04/1994
(312) 856-
Chicago
Ameritech Illinois
02/04/1994
(312) 857-
Chicago
Ameritech Illinois
02/04/1994
(312) 859-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 860-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 861-
Chicago
Ameritech Illinois
02/04/1994
(312) 862-
Chicago
Ameritech Illinois
01/25/2006
(312) 863-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 864-
Chicago
Ameritech Illinois
10/31/2000
(312) 865-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 867-
Chicago
Ameritech Illinois
01/10/1996
(312) 869-
Chicago
Ameritech Illinois
10/31/2000
(312) 870-
Chicago
First Communications LLC
07/06/1997
(312) 873-
Chicago
Mci Worldcom Communications
01/25/1998
(312) 875-
Chicago
Ameritech Illinois
02/04/1994
(312) 876-
Chicago
Ameritech Illinois
10/11/1997
(312) 878-
Chicago
Peerless Network Of Illinois
02/04/2008
(312) 879-
Chicago
Ameritech Illinois
02/04/1994
(312) 880-
Chicago
Ameritech Illinois
03/03/2001
(312) 881-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 882-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 884-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 886-
Chicago
Ameritech Illinois
02/04/1994
(312) 887-
Chicago
Ameritech Illinois
07/22/1999
(312) 888-
Chicago
New Cingular Wireless PCS
02/19/2009
(312) 890-
Chicago
Sprint Spectrum
03/03/2001
(312) 891-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 892-
Chicago
Broadwing Communications
01/25/1998
(312) 893-
Chicago
Broadwing Communications
01/25/1998
(312) 894-
Chicago
Mcimetro Access Transmission Services LLC
01/25/1998
(312) 895-
Chicago
Broadwing Communications
07/06/1997
(312) 896-
Chicago
Broadwing Communications
11/20/1998
(312) 898-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 899-
Chicago
Ameritech Illinois
02/04/1994
(312) 901-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 902-
Chicago
Ameritech Illinois
02/04/1994
(312) 903-
Chicago
American Messaging (am)
04/13/2001
(312) 904-
Chicago
Ameritech Illinois
02/04/1994
(312) 905-
Chicago
Ameritech Illinois
11/11/2003
(312) 906-
Chicago
Ameritech Illinois
02/04/1994
(312) 907-
Chicago
Sprint Spectrum
01/25/1998
(312) 908-
Chicago
Ameritech Illinois
02/04/1994
(312) 909-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 910-
Chicago
Usa Mobility Wireless
11/11/2003
(312) 912-
Chicago
Ameritech Illinois
09/11/1994
(312) 913-
Chicago
Ameritech Illinois
10/11/1997
(312) 914-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 915-
Chicago
Ameritech Illinois
02/04/1994
(312) 916-
Chicago
American Messaging (am)
04/23/2001
(312) 917-
Chicago
Ameritech Illinois
02/04/1994
(312) 918-
Chicago
T-mobile Usa
08/19/2013
(312) 919-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 920-
Chicago
Ameritech Illinois
11/11/2003
(312) 921-
Chicago
Ameritech Illinois
07/21/2008
(312) 922-
Chicago
Ameritech Illinois
02/04/1994
(312) 923-
Chicago
Ameritech Illinois
02/04/1994
(312) 924-
Chicago
Paetec Communications
03/03/2001
(312) 925-
Chicago
New Cingular Wireless PCS
01/25/1998
(312) 926-
Chicago
Ameritech Illinois
04/01/1997
(312) 927-
Chicago
T-mobile Usa
08/21/2002
(312) 928-
Chicago
Ameritech Illinois
04/01/1997
(312) 929-
Chicago
T-mobile Usa
04/27/2006
(312) 930-
Chicago
Ameritech Illinois
02/04/1994
(312) 931-
Chicago
Ameritech Illinois
02/04/1994
(312) 932-
Chicago
Ameritech Illinois
02/04/1994
(312) 933-
Chicago
Sprint Spectrum
01/25/1998
(312) 935-
Chicago
Ameritech Illinois
01/25/1998
(312) 936-
Chicago
Ameritech Illinois
02/04/1994
(312) 938-
Chicago
Ameritech Illinois
02/04/1994
(312) 939-
Chicago
Ameritech Illinois
02/04/1994
(312) 940-
Chicago
Peerless Network Of Illinois
09/20/2013
(312) 941-
Chicago
Usa Mobility Wireless
02/04/1994
(312) 942-
Chicago
Ameritech Illinois
02/04/1994
(312) 943-
Chicago
Ameritech Illinois
02/04/1994
(312) 944-
Chicago
Ameritech Illinois
02/04/1994
(312) 945-
Chicago
Ameritech Illinois
02/04/1994
(312) 946-
Chicago
Ameritech Illinois
02/04/1994
(312) 947-
Chicago
Ameritech Illinois
11/18/2010
(312) 948-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 949-
Chicago
Ameritech Illinois
02/04/1994
(312) 951-
Chicago
Ameritech Illinois
02/04/1994
(312) 952-
Chicago
New Cingular Wireless PCS
10/15/1996
(312) 953-
Chicago
New Cingular Wireless PCS
04/01/1997
(312) 954-
Chicago
Ameritech Illinois
02/04/1994
(312) 955-
Chicago
Rcn Telecom Services Of Illinois
01/25/1998
(312) 957-
Chicago
Ameritech Illinois
09/11/1994
(312) 960-
Chicago
Ameritech Illinois
07/06/1997
(312) 961-
Chicago
New Cingular Wireless PCS
01/25/1998
(312) 962-
Chicago
Global Crossing Local Services-il
01/25/1998
(312) 963-
Chicago
Usa Mobility Wireless
02/11/1995
(312) 965-
Chicago
Cellco Partnership DBA Verizon Wireless
11/11/2003
(312) 968-
La Grange Park
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 969-
La Grange Park
Cellco Partnership DBA Verizon Wireless
02/11/1995
(312) 970-
Chicago
Ameritech Illinois
03/03/2001
(312) 971-
Bandwidth.com Clec
05/01/2014
(312) 972-
Chicago
New Cingular Wireless PCS
11/11/2003
(312) 973-
Chicago
Mcimetro Access Transmission Services LLC
02/19/2014
(312) 974-
Chicago
Ameritech Illinois
02/04/1994
(312) 977-
Chicago
Ameritech Illinois
02/04/1994
(312) 978-
Chicago
T-mobile Usa
10/22/2013
(312) 979-
Chicago
Ameritech Illinois
02/04/1994
(312) 980-
Chicago
Teleport Communications America
04/01/1997
(312) 981-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 983-
Chicago
Ameritech Illinois
02/04/1994
(312) 984-
Chicago
Ameritech Illinois
02/04/1994
(312) 985-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 986-
Chicago
Ameritech Illinois
02/04/1994
(312) 987-
Chicago
Ameritech Illinois
02/04/1994
(312) 988-
Chicago
Ameritech Illinois
02/04/1994
(312) 990-
Hinsdale
New Cingular Wireless PCS
02/11/1995
(312) 991-
Wheeling
New Cingular Wireless PCS
02/11/1995
(312) 992-
Chicago
Ameritech Illinois
01/25/1998
(312) 993-
Chicago
Ameritech Illinois
02/04/1994
(312) 994-
Chicago
Ovation Communications Of Illinois
04/10/2001
(312) 996-
Chicago
Ameritech Illinois
02/04/1994
(312) 997-
Chicago
Ameritech Illinois
02/04/1994
(312) 999-
Chicago
Xo Illinois
08/20/2010

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com


Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.