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312 Area Code

About Area Code 312

State: Illinois
Major City: Chicago
Timezone: Central
Current Time: 6:56pm
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 6:56pm.

History

Area code 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. In 1996, area code 312 was split, and some of the phone numbers had to be updated to area code 773. In 2009, area code 872 was created and is currently an overlay to area codes 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
Cook, IL5,194,675

Top 1 Cities in Area Code 312

CityTotal Population
Chicago, IL2,695,598

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

312 Area Code Prefixes

Assigned

Usage


Prefix
Usage
Primary City
Carrier
Introduced
(312) 201-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 202-
Landline
Chicago
Ameritech Illinois
Introduced 04/01/1997
(312) 203-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 204-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 205-
Landline
Chicago
Allegiance Telecom
Introduced 08/20/2000
(312) 206-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 207-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 208-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 209-
Wireless
Northbrook
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 212-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 213-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 214-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 215-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 216-
Landline
Chicago
First Communications LLC
Introduced 02/13/2012
(312) 217-
Wireless
Chicago
United States Cellular Corp. - Illinois
Introduced 11/11/2003
(312) 218-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 219-
Wireless
Chicago
Bandwidth.com Clec
Introduced 04/10/2012
(312) 220-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 221-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 06/17/2011
(312) 222-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 223-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 224-
Landline
Chicago
Broadwing Communications
Introduced 10/13/1999
(312) 225-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 226-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 227-
Landline
Chicago
Ameritech Illinois
Introduced 09/15/2010
(312) 228-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 229-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 230-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 231-
Wireless
Roselle
New Cingular Wireless PCS
Introduced 01/10/1996
(312) 232-
Wireless
Chicago
American Messaging (am)
Introduced 04/23/2001
(312) 233-
Landline
Chicago
Ameritech Illinois
Introduced 10/13/1999
(312) 234-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 235-
Landline
Chicago
Ameritech Illinois
Introduced 01/14/2000
(312) 236-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 237-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 10/31/2000
(312) 238-
Landline
Chicago
Broadwing Communications
Introduced 10/13/1999
(312) 239-
Landline
Chicago
AT&T Local
Introduced 01/25/1998
(312) 240-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 241-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 08/17/2011
(312) 242-
Landline
Chicago
Teleport Communications America
Introduced 08/20/2000
(312) 243-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 244-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 245-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 246-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 247-
Landline
Chicago
First Communications LLC
Introduced 04/06/2004
(312) 248-
Unknown
Metro PCS
Introduced 07/01/2014
(312) 249-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 250-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 251-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 252-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 253-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 254-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 255-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 256-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 257-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 08/18/2011
(312) 258-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 259-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 260-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 04/01/1997
(312) 261-
Landline
Chicago
Broadwing Communications
Introduced 05/10/1999
(312) 262-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 263-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 264-
Landline
Chicago
Broadwing Communications
Introduced 07/22/1999
(312) 265-
Landline
Chicago
Access One
Introduced 11/29/2005
(312) 266-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 267-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 268-
Landline
Chicago
Broadwing Communications
Introduced 03/03/2001
(312) 269-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 271-
Wireless
Chicago
Usa Mobility Wireless
Introduced 01/25/1998
(312) 272-
Wireless
Chicago
Usa Mobility Wireless
Introduced 07/01/1996
(312) 273-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 09/13/2011
(312) 274-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 275-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 276-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 277-
Landline
Chicago
Allegiance Telecom
Introduced 01/25/1998
(312) 278-
Landline
Chicago
Broadwing Communications
Introduced 10/31/2000
(312) 279-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 01/25/1998
(312) 280-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 281-
Landline
Chicago
Global Crossing Local Services-il
Introduced 10/13/1999
(312) 282-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 10/31/2000
(312) 283-
Landline
Chicago
Global Crossing Local Services-il
Introduced 10/13/1999
(312) 284-
Landline
Chicago
Xo Illinois
Introduced 06/30/2001
(312) 285-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 06/30/2001
(312) 286-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 06/13/2000
(312) 287-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 10/31/2000
(312) 288-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 01/25/1998
(312) 289-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 290-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 291-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 292-
Wireless
Chicago
Bandwidth.com Clec
Introduced 09/02/2011
(312) 293-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 294-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 295-
Wireless
La Grange Park
Usa Mobility Wireless
Introduced 02/11/1995
(312) 296-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 01/14/2000
(312) 297-
Landline
Chicago
Ameritech Illinois
Introduced 02/11/1995
(312) 298-
Landline
Chicago
Sigecom
Introduced 07/22/1999
(312) 299-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 300-
Landline
Chicago
Net Talk.com
Introduced 04/25/2011
(312) 301-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 302-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 303-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 304-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 305-
Wireless
Northbrook
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 306-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 307-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 308-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 309-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 310-
Wireless
Northbrook
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 314-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 09/11/1994
(312) 315-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 316-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 317-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 318-
Wireless
La Grange Park
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 320-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 321-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 322-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 323-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 324-
Landline
Chicago
Level 3 Communications
Introduced 05/03/2001
(312) 325-
Landline
Chicago
Ameritech Illinois
Introduced 06/24/2003
(312) 326-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 327-
Landline
Chicago
Xo Illinois
Introduced 08/20/2000
(312) 328-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 329-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 330-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 331-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 01/10/1996
(312) 332-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 333-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 334-
Landline
Chicago
First Communications LLC
Introduced 10/31/2000
(312) 335-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 336-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 337-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 338-
Landline
Chicago
Ameritech Illinois
Introduced 04/01/1997
(312) 339-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 340-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 09/21/2011
(312) 341-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 342-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 06/30/2001
(312) 343-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 344-
Landline
Chicago
Ameritech Illinois
Introduced 07/06/1997
(312) 345-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 346-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 347-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 348-
Landline
Chicago
Neutral Tandem-illinois
Introduced 11/14/2003
(312) 349-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 350-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 351-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 352-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 07/04/1995
(312) 353-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 354-
Wireless
Roselle
New Cingular Wireless PCS
Introduced 01/10/1996
(312) 355-
Landline
Chicago
Ameritech Illinois
Introduced 07/04/1995
(312) 356-
Landline
Chicago
Ameritech Illinois
Introduced 01/14/2000
(312) 357-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 359-
Wireless
Chicago
Usa Mobility Wireless
Introduced 07/04/1995
(312) 360-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 361-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 362-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 363-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 05/10/1999
(312) 364-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 365-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 366-
Wireless
La Grange Park
Usa Mobility Wireless
Introduced 01/10/1996
(312) 367-
Wireless
La Grange Park
Usa Mobility Wireless
Introduced 11/11/2003
(312) 368-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 369-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 370-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 371-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 01/25/1998
(312) 372-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 373-
Landline
Chicago
Broadwing Communications
Introduced 05/10/1999
(312) 374-
Landline
Chicago
Ameritech Illinois
Introduced 10/13/1999
(312) 375-
Wireless
Chicago
T-mobile Usa
Introduced 06/30/2001
(312) 376-
Landline
Chicago
Cbeyond Communications
Introduced 06/11/2004
(312) 377-
Landline
Chicago
Xo Illinois
Introduced 01/25/1998
(312) 378-
Wireless
Chicago
Usa Mobility Wireless
Introduced 01/25/1998
(312) 379-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 380-
Landline
Chicago
Ameritech Illinois
Introduced 08/20/2000
(312) 381-
Landline
Chicago
Ameritech Illinois
Introduced 05/10/1999
(312) 382-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 384-
Landline
Chicago
Ameritech Illinois
Introduced 10/13/1999
(312) 385-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 386-
Landline
Chicago
Ameritech Illinois
Introduced 08/20/2000
(312) 387-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 388-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 01/25/1998
(312) 389-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 390-
Wireless
Chicago
American Messaging (am)
Introduced 04/16/2001
(312) 391-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 393-
Wireless
Chicago
American Messaging (am)
Introduced 04/23/2001
(312) 394-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 395-
Landline
Chicago
AT&T Local
Introduced 01/25/1998
(312) 396-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 397-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 398-
Wireless
Chicago
Usa Mobility Wireless
Introduced 01/10/1996
(312) 399-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 07/22/1999
(312) 400-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 401-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 402-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 403-
Wireless
La Grange Park
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 404-
Wireless
Chicago
T-mobile Usa
Introduced 10/14/2002
(312) 405-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 406-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 407-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 408-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 409-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 410-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 412-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 413-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 415-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 416-
Landline
Chicago
Mci Worldcom Communications
Introduced 01/10/1996
(312) 417-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 418-
Wireless
Chicago
Usa Mobility Wireless
Introduced 09/11/1994
(312) 419-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 420-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 06/30/2001
(312) 421-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 422-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 423-
Landline
Chicago
Broadwing Communications
Introduced 11/11/2003
(312) 424-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 425-
Landline
Chicago
Ameritech Illinois
Introduced 07/01/1996
(312) 426-
Wireless
Chicago
Usa Mobility Wireless
Introduced 01/10/1996
(312) 427-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 428-
Wireless
Chicago
Level 3 Communications
Introduced 11/11/2003
(312) 429-
Landline
Chicago
Global Crossing Local Services-il
Introduced 10/13/1999
(312) 430-
Landline
Chicago
Ameritech Illinois
Introduced 05/02/2004
(312) 431-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 432-
Landline
Chicago
Ameritech Illinois
Introduced 02/11/1995
(312) 433-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 434-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 07/08/2011
(312) 435-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 436-
Landline
Chicago
Ameritech Illinois
Introduced 01/14/2000
(312) 437-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 07/22/1999
(312) 440-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 441-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 442-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 443-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 444-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 445-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 446-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 08/14/1998
(312) 447-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 448-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 08/02/2011
(312) 449-
Wireless
Chicago
American Messaging (am)
Introduced 04/23/2001
(312) 450-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 451-
Landline
Chicago
T-mobile Usa
Introduced 01/25/1998
(312) 452-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 453-
Landline
Chicago
Mci Worldcom Communications
Introduced 01/10/1996
(312) 454-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 455-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 456-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 457-
Wireless
Chicago
American Messaging (am)
Introduced 04/23/2001
(312) 458-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 459-
Wireless
Chicago
T-mobile Usa
Introduced 08/02/2011
(312) 460-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 461-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 462-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 463-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 464-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 465-
Landline
Chicago
Us Xchange Of Illinois LLC DBA Choice One Comm Il
Introduced 03/26/2009
(312) 466-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 467-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 469-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 470-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 01/10/1996
(312) 472-
Landline
Chicago
Ameritech Illinois
Introduced 10/27/2005
(312) 473-
Landline
Chicago
Ymax Communications Corp.
Introduced 11/15/2006
(312) 474-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 475-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 476-
Landline
Chicago
Sprint Spectrum L.p.
Introduced 08/20/2000
(312) 477-
Wireless
Chicago
Level 3 Communications
Introduced 10/20/2010
(312) 478-
Landline
Chicago
T-mobile Usa
Introduced 03/20/2014
(312) 479-
Landline
Chicago
AT&T Local
Introduced 01/25/1998
(312) 480-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 482-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 484-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 485-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 486-
Landline
Chicago
Mci Worldcom Communications
Introduced 04/23/2004
(312) 488-
Landline
Chicago
Pg Telecom Of Illinois Inc.
Introduced 01/18/2006
(312) 489-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
(312) 490-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 491-
Landline
Chicago
Ameritech Illinois
Introduced 07/04/1995
(312) 492-
Landline
Chicago
Ameritech Illinois
Introduced 07/06/1997
(312) 493-
Wireless
Chicago
T-mobile Usa
Introduced 06/30/2001
(312) 494-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 495-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 496-
Landline
Chicago
Ameritech Illinois
Introduced 07/01/1996
(312) 497-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 498-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 07/22/1999
(312) 499-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 501-
Wireless
La Grange Park
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 502-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 503-
Landline
Chicago
Broadwing Communications
Introduced 02/04/1994
(312) 504-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 505-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 506-
Landline
Chicago
Cimco Communications
Introduced 05/24/2004
(312) 507-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 508-
Landline
Chicago
Peerless Network Of Illinois
Introduced 03/19/2012
(312) 509-
Landline
Chicago
Peerless Network Of Illinois
Introduced 03/06/2012
(312) 510-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 512-
Wireless
Chicago
Usa Mobility Wireless
Introduced 05/01/2002
(312) 513-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 514-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 515-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 516-
Landline
Chicago
Ameritech Illinois
Introduced 02/11/1995
(312) 518-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 519-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 520-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 521-
Landline
Chicago
AT&T Local
Introduced 01/25/1998
(312) 523-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 06/30/2001
(312) 524-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 525-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 03/20/2002
(312) 526-
Landline
Chicago
Ameritech Illinois
Introduced 07/04/1995
(312) 527-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 528-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 529-
Landline
Chicago
AT&T Local
Introduced 10/11/1997
(312) 530-
Wireless
Chicago
Usa Mobility Wireless
Introduced 04/15/1996
(312) 531-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 532-
Wireless
Chicago
T-mobile Usa
Introduced 11/11/2003
(312) 533-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 10/13/1999
(312) 534-
Landline
Chicago
Ameritech Illinois
Introduced 09/17/2008
(312) 537-
Landline
Chicago
Ameritech Illinois
Introduced 04/15/1996
(312) 540-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 541-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 542-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 543-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 04/01/1997
(312) 544-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 545-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 03/03/2001
(312) 546-
Landline
Chicago
Level 3 Communications
Introduced 01/25/1998
(312) 547-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 548-
Landline
Chicago
Broadwing Communications
Introduced 09/05/2007
(312) 550-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 551-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 552-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 553-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 554-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 556-
Wireless
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 557-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 558-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 559-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 560-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 561-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 06/20/2012
(312) 562-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 563-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 564-
Landline
Chicago
Cimco Communications
Introduced 11/13/2006
(312) 565-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 566-
Landline
Chicago
Ameritech Illinois
Introduced 01/10/1996
(312) 567-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 568-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 569-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 570-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 571-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 572-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 573-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 574-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 575-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 576-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 577-
Landline
Chicago
Mci Worldcom Communications
Introduced 01/11/1997
(312) 578-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 580-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 582-
Landline
Chicago
Ameritech Illinois
Introduced 05/16/2002
(312) 583-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 585-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 04/16/2013
(312) 587-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 588-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 589-
Landline
Chicago
Ameritech Illinois
Introduced 03/03/2001
(312) 590-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 591-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 592-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 593-
Wireless
Chicago
T-mobile Usa
Introduced 11/11/2003
(312) 594-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 11/06/2008
(312) 595-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 596-
Landline
Chicago
Teleport Communications America
Introduced 07/01/1996
(312) 600-
Landline
Chicago
Neutral Tandem-illinois
Introduced 05/01/2012
(312) 601-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 04/01/1997
(312) 602-
Landline
Chicago
Broadwing Communications
Introduced 05/10/1999
(312) 603-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 604-
Landline
Chicago
Xo Illinois
Introduced 01/25/1998
(312) 605-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 08/06/2012
(312) 606-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 607-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 608-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 609-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 610-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 08/06/2012
(312) 612-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 613-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 614-
Landline
Chicago
Ameritech Illinois
Introduced 10/19/2012
(312) 615-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 616-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 617-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 11/11/2003
(312) 618-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 619-
Wireless
Chicago
T-mobile Usa
Introduced 09/11/2012
(312) 620-
Landline
Chicago
Bandwidth.com Clec
Introduced 08/15/2012
(312) 621-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 622-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 02/14/2001
(312) 623-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 624-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 05/10/1999
(312) 625-
Landline
Chicago
Level 3 Communications
Introduced 05/01/2002
(312) 626-
Landline
Chicago
Broadvox-clec
Introduced 02/04/2008
(312) 627-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 628-
Landline
Chicago
Xo Illinois
Introduced 06/30/2001
(312) 629-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 630-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 631-
Landline
Chicago
Centurylink Communications LLC
Introduced 01/11/2013
(312) 632-
Landline
Chicago
Ameritech Illinois
Introduced 07/22/1999
(312) 633-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 634-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 635-
Landline
Chicago
Global Crossing Local Services-il
Introduced 11/11/2003
(312) 636-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 637-
Landline
Chicago
Broadwing Communications
Introduced 05/10/1999
(312) 638-
Landline
Chicago
Broadwing Communications
Introduced 01/25/1998
(312) 640-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 641-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 642-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 643-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 01/25/1998
(312) 644-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 645-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 646-
Landline
Chicago
Broadwing Communications
Introduced 03/27/2007
(312) 647-
Wireless
Chicago
T-mobile Usa
Introduced 05/24/2013
(312) 648-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 649-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 650-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 01/25/1998
(312) 651-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 652-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 653-
Landline
Chicago
Ameritech Illinois
Introduced 07/04/1995
(312) 654-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 655-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 656-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 07/06/1997
(312) 657-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 658-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 659-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 660-
Landline
Chicago
Teleport Communications America
Introduced 01/25/1998
(312) 661-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 662-
Landline
Chicago
Ameritech Illinois
Introduced 08/20/2000
(312) 663-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 664-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 665-
Landline
Chicago
Teleport Communications America
Introduced 01/25/1998
(312) 666-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 667-
Landline
Chicago
Peerless Network Of Illinois
Introduced 08/31/2012
(312) 669-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 670-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 671-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 11/11/2003
(312) 672-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 673-
Landline
Chicago
First Communications LLC
Introduced 04/01/1997
(312) 674-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 675-
Landline
Chicago
Ameritech Illinois
Introduced 08/20/2000
(312) 676-
Landline
Chicago
First Communications LLC
Introduced 06/16/2006
(312) 677-
Wireless
Chicago
Usa Mobility Wireless
Introduced 10/15/1996
(312) 678-
Wireless
Chicago
T-mobile Usa
Introduced 07/25/2013
(312) 679-
Wireless
Chicago
American Messaging (am)
Introduced 04/23/2001
(312) 680-
Wireless
Chicago
Usa Mobility Wireless
Introduced 01/10/1996
(312) 681-
Landline
Chicago
Ameritech Illinois
Introduced 08/20/2000
(312) 682-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 683-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 685-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 10/13/1999
(312) 688-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 689-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 690-
Unknown
Rclec
Introduced 05/06/2014
(312) 691-
Wireless
Chicago
Indiana Paging Ntwk
Introduced 04/01/1997
(312) 692-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 693-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 694-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 695-
Landline
Chicago
Ameritech Illinois
Introduced 05/10/1999
(312) 696-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 697-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 698-
Landline
Chicago
Broadwing Communications
Introduced 08/23/2001
(312) 699-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 701-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 702-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 12/31/2012
(312) 703-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 704-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 705-
Landline
Chicago
Teleport Communications America
Introduced 02/04/1994
(312) 706-
Landline
Chicago
Teleport Communications America
Introduced 02/11/1995
(312) 707-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 709-
Wireless
Chicago
T-mobile Usa
Introduced 05/24/2013
(312) 710-
Landline
Chicago
Ameritech Illinois
Introduced 07/04/1995
(312) 712-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 713-
Wireless
Chicago
American Messaging (am)
Introduced 04/16/2001
(312) 714-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 715-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 716-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 717-
Wireless
La Grange Park
Usa Mobility Wireless
Introduced 02/11/1995
(312) 718-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 719-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 11/11/2003
(312) 720-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 721-
Wireless
Chicago
T-mobile Usa
Introduced 10/22/2013
(312) 724-
Landline
Chicago
Bandwidth.com Clec
Introduced 02/07/2013
(312) 725-
Landline
Chicago
Bandwidth.com Clec
Introduced 10/08/2008
(312) 726-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 727-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 729-
Landline
Chicago
Ameritech Illinois
Introduced 07/06/1997
(312) 730-
Landline
Chicago
AT&T Local
Introduced 01/25/1998
(312) 731-
Landline
Chicago
T-mobile Usa
Introduced 01/25/1998
(312) 732-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 733-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 735-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 07/06/2001
(312) 737-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 738-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 739-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 740-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 742-
Landline
Chicago
Ameritech Illinois
Introduced 02/11/1995
(312) 743-
Landline
Chicago
Ameritech Illinois
Introduced 11/15/2001
(312) 744-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 745-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 746-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 747-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 748-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 749-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 750-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 751-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 752-
Landline
Chicago
Broadwing Communications
Introduced 04/19/2002
(312) 753-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 01/25/1998
(312) 754-
Landline
Chicago
Tw Telecom Of Illinois LLC
Introduced 02/26/2013
(312) 755-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 756-
Landline
Chicago
Ameritech Illinois
Introduced 02/27/1999
(312) 757-
Landline
Chicago
Citrix Communications LLC
Introduced 03/28/2013
(312) 758-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 759-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 760-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 762-
Landline
Chicago
Ameritech Illinois
Introduced 01/14/2000
(312) 763-
Unknown
Comcast Phone Of Illinois DBA Comco
Introduced 05/12/2014
(312) 765-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 768-
Landline
Chicago
AT&T Local
Introduced 01/25/1998
(312) 769-
Wireless
Chicago
Indiana Paging Ntwk
Introduced 01/25/1998
(312) 770-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 771-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 772-
Wireless
Chicago
Cricket Communications
Introduced 08/18/2008
(312) 774-
Wireless
Chicago
T-mobile Usa
Introduced 08/19/2013
(312) 775-
Landline
Chicago
Ameritech Illinois
Introduced 10/13/1999
(312) 777-
Landline
Chicago
Teleport Communications America
Introduced 01/25/1998
(312) 780-
Landline
Chicago
Mci Worldcom Communications
Introduced 01/11/1997
(312) 781-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 782-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 784-
Landline
Chicago
First Communications LLC
Introduced 07/12/2007
(312) 786-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 787-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 788-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 789-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 790-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 791-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 793-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 794-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 01/25/1998
(312) 795-
Landline
Chicago
Ameritech Illinois
Introduced 07/06/1997
(312) 797-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 798-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 799-
Landline
Chicago
Ameritech Illinois
Introduced 06/13/2000
(312) 800-
Landline
Chicago
Peerless Network Of Illinois
Introduced 11/20/2012
(312) 801-
Wireless
Chicago
365 Wireless
Introduced 04/29/2013
(312) 802-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 803-
Landline
Chicago
Mci Worldcom Communications
Introduced 09/11/1994
(312) 804-
Wireless
Chicago
T-mobile Usa
Introduced 01/23/2002
(312) 805-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 806-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 807-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 808-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 809-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 10/25/2013
(312) 810-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 812-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 813-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 814-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 816-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 817-
Landline
Chicago
Ameritech Illinois
Introduced 02/11/1995
(312) 818-
Wireless
Chicago
T-mobile Usa
Introduced 08/19/2013
(312) 819-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 820-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 821-
Landline
Chicago
Mci Worldcom Communications
Introduced 01/25/1998
(312) 822-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 823-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 827-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 828-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 829-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 830-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 831-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 832-
Landline
Chicago
Ameritech Illinois
Introduced 01/10/1996
(312) 833-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 834-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 835-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 836-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 839-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 840-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 841-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 842-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 843-
Landline
Chicago
Teleport Communications America
Introduced 03/12/2014
(312) 844-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 845-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 846-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 848-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 849-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 850-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 851-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 852-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 853-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 854-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 01/25/1998
(312) 855-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 856-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 857-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 859-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 860-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 861-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 862-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/2006
(312) 863-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 864-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 865-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 867-
Landline
Chicago
Ameritech Illinois
Introduced 01/10/1996
(312) 869-
Landline
Chicago
Ameritech Illinois
Introduced 10/31/2000
(312) 870-
Landline
Chicago
First Communications LLC
Introduced 07/06/1997
(312) 873-
Landline
Chicago
Mci Worldcom Communications
Introduced 01/25/1998
(312) 875-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 876-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 878-
Landline
Chicago
Peerless Network Of Illinois
Introduced 02/04/2008
(312) 879-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 880-
Landline
Chicago
Ameritech Illinois
Introduced 03/03/2001
(312) 881-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 882-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 884-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 886-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 887-
Landline
Chicago
Ameritech Illinois
Introduced 07/22/1999
(312) 888-
Landline
Chicago
New Cingular Wireless PCS
Introduced 02/19/2009
(312) 890-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 03/03/2001
(312) 891-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 892-
Landline
Chicago
Broadwing Communications
Introduced 01/25/1998
(312) 893-
Landline
Chicago
Broadwing Communications
Introduced 01/25/1998
(312) 894-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 01/25/1998
(312) 895-
Landline
Chicago
Broadwing Communications
Introduced 07/06/1997
(312) 896-
Landline
Chicago
Broadwing Communications
Introduced 11/20/1998
(312) 898-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 899-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 901-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 902-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 903-
Wireless
Chicago
American Messaging (am)
Introduced 04/13/2001
(312) 904-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 905-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 906-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 907-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 01/25/1998
(312) 908-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 909-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 910-
Wireless
Chicago
Usa Mobility Wireless
Introduced 11/11/2003
(312) 912-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 913-
Landline
Chicago
Ameritech Illinois
Introduced 10/11/1997
(312) 914-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 915-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 916-
Wireless
Chicago
American Messaging (am)
Introduced 04/23/2001
(312) 917-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 918-
Wireless
Chicago
T-mobile Usa
Introduced 08/19/2013
(312) 919-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 920-
Landline
Chicago
Ameritech Illinois
Introduced 11/11/2003
(312) 921-
Landline
Chicago
Ameritech Illinois
Introduced 07/21/2008
(312) 922-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 923-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 924-
Landline
Chicago
Paetec Communications
Introduced 03/03/2001
(312) 925-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 01/25/1998
(312) 926-
Landline
Chicago
Ameritech Illinois
Introduced 04/01/1997
(312) 927-
Wireless
Chicago
T-mobile Usa
Introduced 08/21/2002
(312) 928-
Landline
Chicago
Ameritech Illinois
Introduced 04/01/1997
(312) 929-
Landline
Chicago
T-mobile Usa
Introduced 04/27/2006
(312) 930-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 931-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 932-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 933-
Wireless
Chicago
Sprint Spectrum L.p.
Introduced 01/25/1998
(312) 935-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 936-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 938-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 939-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 940-
Landline
Chicago
Peerless Network Of Illinois
Introduced 09/20/2013
(312) 941-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/04/1994
(312) 942-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 943-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 944-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 945-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 946-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 947-
Landline
Chicago
Ameritech Illinois
Introduced 11/18/2010
(312) 948-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 949-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 951-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 952-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 10/15/1996
(312) 953-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 04/01/1997
(312) 954-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 955-
Landline
Chicago
Rcn Telecom Services Of Illinois
Introduced 01/25/1998
(312) 957-
Landline
Chicago
Ameritech Illinois
Introduced 09/11/1994
(312) 960-
Landline
Chicago
Ameritech Illinois
Introduced 07/06/1997
(312) 961-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 01/25/1998
(312) 962-
Landline
Chicago
Global Crossing Local Services-il
Introduced 01/25/1998
(312) 963-
Wireless
Chicago
Usa Mobility Wireless
Introduced 02/11/1995
(312) 965-
Wireless
Chicago
Cellco Partnership DBA Verizon Wireless
Introduced 11/11/2003
(312) 968-
Wireless
La Grange Park
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 969-
Wireless
La Grange Park
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
(312) 970-
Landline
Chicago
Ameritech Illinois
Introduced 03/03/2001
(312) 971-
Unknown
Bandwidth.com Clec
Introduced 05/01/2014
(312) 972-
Wireless
Chicago
New Cingular Wireless PCS
Introduced 11/11/2003
(312) 973-
Landline
Chicago
Mcimetro Access Transmission Services LLC
Introduced 02/19/2014
(312) 974-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 977-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 978-
Wireless
Chicago
T-mobile Usa
Introduced 10/22/2013
(312) 979-
Wireless
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 980-
Landline
Chicago
Teleport Communications America
Introduced 04/01/1997
(312) 981-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 983-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 984-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 985-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 986-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 987-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 988-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 990-
Wireless
Hinsdale
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 991-
Wireless
Wheeling
New Cingular Wireless PCS
Introduced 02/11/1995
(312) 992-
Landline
Chicago
Ameritech Illinois
Introduced 01/25/1998
(312) 993-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 994-
Landline
Chicago
Ovation Communications Of Illinois
Introduced 04/10/2001
(312) 996-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 997-
Landline
Chicago
Ameritech Illinois
Introduced 02/04/1994
(312) 999-
Landline
Chicago
Xo Illinois
Introduced 08/20/2010

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com

Most Searched Numbers

Cell
All Time
312-203-0000
312-203-0001
312-203-0019
312-203-0057
312-203-0068
312-203-0074
312-203-0077
312-203-0081
312-203-0143
312-203-0175
312-203-0176
312-203-0177
312-203-0191
312-203-0200
312-203-0221
312-203-0285
312-203-0308
312-203-0336
312-203-0380
312-203-0383
This Month
312-203-0000
312-203-0001
312-203-0019
312-203-0057
312-203-0068
312-203-0074
312-203-0077
312-203-0081
312-203-0143
312-203-0175
312-203-0176
312-203-0177
312-203-0191
312-203-0200
312-203-0221
312-203-0285
312-203-0308
312-203-0336
312-203-0380
312-203-0383
Landline
All Time
312-201-0000
312-201-0001
312-201-0002
312-201-0003
312-201-0004
312-201-0005
312-201-0008
312-201-0023
312-201-0031
312-201-0111
312-201-0142
312-201-0375
312-201-0410
312-201-0536
312-201-0589
312-201-0834
312-201-0835
312-201-0900
312-201-0927
312-201-1082
This Month
312-201-0000
312-201-0001
312-201-0002
312-201-0003
312-201-0004
312-201-0005
312-201-0008
312-201-0023
312-201-0031
312-201-0111
312-201-0142
312-201-0375
312-201-0410
312-201-0536
312-201-0589
312-201-0834
312-201-0835
312-201-0900
312-201-0927
312-201-1082


Source: Area code information compiled from the North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.