Phone
Instant Phone Lookup

Enter a phone number, area code, or city and state.

331 Area Code

About Area Code 331

State: Illinois
Major City: Aurora
Timezone: Central (12:00pm)
Short URL: allareacodes.com/331
Download: Download this data

Area Code 331 Map

  • Addison, IL
  • Aurora, IL
  • Bartlett, IL
  • Batavia, IL
  • Bensenville, IL
  • Bloomingdale, IL
  • Bolingbrook, IL
  • Carol Stream, IL
  • Darien, IL
  • Downers Grove, IL
  • Elmhurst, IL
  • Glen Ellyn, IL
  • Glendale Heights, IL
  • Hanover Park, IL
  • Lisle, IL
  • Lombard, IL
  • Naperville, IL
  • Roselle, IL
  • St. Charles, IL
  • Streamwood, IL
  • Villa Park, IL
  • West Chicago, IL
  • Westmont, IL
  • Wheaton, IL
  • Woodridge, IL

More About Area Code 331

Area code 331 was first put in service October 7, 2007. Currently, the largest city it serves is Aurora, IL, and it overlaps coverage areas with area code 630.

Overview of Active Prefixes

Assigned to Carrier

Usage

Carriers

Active Phone Number Prefixes

Prefix
Usage
Primary City
Carrier
Introduced
(331) 200-
Wireless
Bartlett
T-mobile Usa
Introduced 07/11/2011
(331) 201-
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 01/06/2012
(331) 202-
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 01/17/2012
(331) 203-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 10/12/2011
(331) 204-
Landline
Bartlett
Broadvox-clec
Introduced 07/29/2013
(331) 205-
Wireless
Aurora
T-mobile Usa
Introduced 10/21/2011
(331) 206-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 10/12/2011
(331) 207-
Landline
Yorkville
Level 3 Communications
Introduced 11/01/2011
(331) 208-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 11/08/2011
(331) 209-
Wireless
Elmhurst
Level 3 Communications
Introduced 01/17/2012
(331) 210-
Landline
Saint Charles
Peerless Network Of Illinois
Introduced 03/06/2012
(331) 212-
Landline
Aurora
Mci Worldcom Communications
Introduced 04/05/2012
(331) 213-
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 09/06/2011
(331) 214-
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 06/20/2012
(331) 215-
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 09/28/2012
(331) 216-
Wireless
Oswego
New Cingular Wireless PCS
Introduced 10/31/2012
(331) 218-
Wireless
Wheaton
T-mobile Usa
Introduced 07/09/2013
(331) 220-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 07/12/2011
(331) 221-
Landline
Elmhurst
Ameritech Illinois
Introduced 01/21/2009
(331) 222-
Wireless
Saint Charles
Cricket Communications
Introduced 10/28/2008
(331) 223-
Wireless
Saint Charles
Cricket Communications
Introduced 10/28/2008
(331) 225-
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 08/22/2011
(331) 228-
Wireless
Saint Charles
Ovation Communications Of Illinois
Introduced 09/21/2011
(331) 229-
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 11/27/2012
(331) 234-
Wireless
Sugar Grove
Cellco Partnership DBA Verizon Wireless
Introduced 07/08/2013
(331) 240-
Landline
West Chicago
Peerless Network Of Illinois
Introduced 04/10/2013
(331) 245-
Wireless
Bartlett
T-mobile Usa
Introduced 04/18/2013
(331) 248-
Landline
Geneva
Comcast Phone Of Illinois DBA Comco
Introduced 07/06/2007
(331) 250-
Wireless
Aurora
T-mobile Usa
Introduced 04/10/2012
(331) 251-
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 12/05/2012
(331) 254-
Unknown
T-mobile Usa
Introduced 07/16/2014
(331) 256-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 09/13/2011
(331) 262-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 07/30/2008
(331) 281-
Landline
Naperville
Ameritech Illinois
Introduced 10/25/2012
(331) 301-
Landline
Aurora
Local Access LLC
Introduced 03/13/2013
(331) 302-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/2013
(331) 303-
Landline
Elburn
Cibolo Creek Ventures DBA Routepoint Comm Il
Introduced 04/22/2013
(331) 305-
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 08/15/2013
(331) 318-
Landline
Lemont
Local Access LLC
Introduced 08/01/2013
(331) 330-
Landline
Oswego
Cricket Communications
Introduced 08/19/2008
(331) 332-
Wireless
Naperville
Cricket Communications
Introduced 11/03/2008
(331) 333-
Wireless
Naperville
Cricket Communications
Introduced 11/03/2008
(331) 422-
Landline
Saint Charles
Level 3 Communications
Introduced 11/13/2008
(331) 425-
Wireless
Aurora
T-mobile Usa
Introduced 07/11/2007
(331) 431-
Wireless
Aurora
Bandwidth.com Clec
Introduced 05/26/2010
(331) 442-
Wireless
Saint Charles
Cellco Partnership DBA Verizon Wireless
Introduced 10/30/2008
(331) 444-
Landline
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 08/04/2010
(331) 452-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 09/20/2007
(331) 454-
Wireless
Aurora
Cricket Communications
Introduced 05/07/2009
(331) 456-
Landline
Roselle
First Communications LLC
Introduced 12/05/2007
(331) 457-
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 11/14/2008
(331) 462-
Landline
Lombard
Xo Illinois
Introduced 08/23/2008
(331) 465-
Wireless
West Chicago
New Cingular Wireless PCS
Introduced 10/17/2007
(331) 472-
Wireless
Naperville
T-mobile Usa
Introduced 10/22/2008
(331) 481-
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 10/29/2008
(331) 551-
Wireless
Lombard
Cricket Communications
Introduced 11/05/2008
(331) 575-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 09/18/2007
(331) 588-
Wireless
Saint Charles
New Cingular Wireless PCS
Introduced 02/15/2010
(331) 625-
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 10/16/2009
(331) 642-
Wireless
Elmhurst
Bandwidth.com Clec
Introduced 06/19/2008
(331) 643-
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 09/18/2007
(331) 645-
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 11/05/2007
(331) 684-
Landline
Aurora
Sigecom
Introduced 07/12/2007
(331) 702-
Landline
Naperville
Mci Worldcom Communications
Introduced 10/23/2013
(331) 703-
Wireless
West Chicago
T-mobile Usa
Introduced 10/24/2013
(331) 725-
Landline
Oswego
New Cingular Wireless PCS
Introduced 05/19/2009
(331) 777-
Landline
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 09/22/2010
(331) 801-
Unknown
Teleport Communications America
Introduced 05/15/2014
(331) 803-
Landline
Lemont
Peerless Network Of Illinois
Introduced 04/10/2013
(331) 825-
Unknown
Digital Network Access Communications
Introduced 11/08/2007
(331) 826-
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 11/18/2008
(331) 888-
Landline
Warrenville
Peerless Network Of Illinois
Introduced 09/24/2010
(331) 903-
Unknown
Sbc Internet Services
Introduced 05/15/2014
(331) 999-
Landline
Oswego
Bandwidth.com Clec
Introduced 09/22/2010

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com

Most Searched Numbers

Cell
All Time
331-200-0000
331-200-0019
331-200-0021
331-200-0067
331-200-0068
331-200-0077
331-200-0108
331-200-0115
331-200-0160
331-200-0181
331-200-0320
331-200-0435
331-200-0450
331-200-0465
331-200-0571
331-200-0588
331-200-0597
331-200-0610
331-200-0622
331-200-0624
This Month
331-200-0000
331-200-0019
331-200-0021
331-200-0067
331-200-0068
331-200-0077
331-200-0108
331-200-0115
331-200-0160
331-200-0181
331-200-0320
331-200-0435
331-200-0450
331-200-0465
331-200-0571
331-200-0588
331-200-0597
331-200-0610
331-200-0622
331-200-0624
Landline
All Time
331-204-0000
331-204-0002
331-204-0079
331-204-0085
331-204-0086
331-204-0090
331-204-0097
331-204-0099
331-204-0100
331-204-0192
331-204-0273
331-204-0456
331-204-0495
331-204-0499
331-204-0501
331-204-0502
331-204-0503
331-204-0507
331-204-0508
331-204-0513
This Month
331-204-0000
331-204-0002
331-204-0079
331-204-0085
331-204-0086
331-204-0090
331-204-0097
331-204-0099
331-204-0100
331-204-0192
331-204-0273
331-204-0456
331-204-0495
331-204-0499
331-204-0501
331-204-0502
331-204-0503
331-204-0507
331-204-0508
331-204-0513