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331 Area Code

About Area Code 331

State: Illinois
Major City: Aurora
Timezone: Central (12:14pm)
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
Wireless
Bartlett
T-mobile Usa
Introduced 07/11/2011
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 01/06/2012
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 01/17/2012
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 10/12/2011
Landline
Bartlett
Broadvox-clec
Introduced 07/29/2013
Wireless
Aurora
T-mobile Usa
Introduced 10/21/2011
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 10/12/2011
Landline
Yorkville
Level 3 Communications
Introduced 11/01/2011
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 11/08/2011
Wireless
Elmhurst
Level 3 Communications
Introduced 01/17/2012
Landline
Saint Charles
Peerless Network Of Illinois
Introduced 03/06/2012
Landline
Aurora
Mci Worldcom Communications
Introduced 04/05/2012
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 09/06/2011
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 06/20/2012
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 09/28/2012
Wireless
Oswego
New Cingular Wireless PCS
Introduced 10/31/2012
Wireless
Wheaton
T-mobile Usa
Introduced 07/09/2013
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 07/12/2011
Landline
Elmhurst
Ameritech Illinois
Introduced 01/21/2009
Wireless
Saint Charles
Cricket Communications
Introduced 10/28/2008
Wireless
Saint Charles
Cricket Communications
Introduced 10/28/2008
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 08/22/2011
Wireless
Saint Charles
Ovation Communications Of Illinois
Introduced 09/21/2011
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 11/27/2012
Wireless
Sugar Grove
Cellco Partnership DBA Verizon Wireless
Introduced 07/08/2013
Landline
West Chicago
Peerless Network Of Illinois
Introduced 04/10/2013
Wireless
Bartlett
T-mobile Usa
Introduced 04/18/2013
Landline
Geneva
Comcast Phone Of Illinois DBA Comco
Introduced 07/06/2007
Wireless
Aurora
T-mobile Usa
Introduced 04/10/2012
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 12/05/2012
Unknown
T-mobile Usa
Introduced 07/16/2014
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 09/13/2011
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 07/30/2008
Landline
Naperville
Ameritech Illinois
Introduced 10/25/2012
Landline
Aurora
Local Access LLC
Introduced 03/13/2013
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/2013
Landline
Elburn
Cibolo Creek Ventures DBA Routepoint Comm Il
Introduced 04/22/2013
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 08/15/2013
Landline
Lemont
Local Access LLC
Introduced 08/01/2013
Landline
Oswego
Cricket Communications
Introduced 08/19/2008
Wireless
Naperville
Cricket Communications
Introduced 11/03/2008
Wireless
Naperville
Cricket Communications
Introduced 11/03/2008
Landline
Saint Charles
Level 3 Communications
Introduced 11/13/2008
Wireless
Aurora
T-mobile Usa
Introduced 07/11/2007
Wireless
Aurora
Bandwidth.com Clec
Introduced 05/26/2010
Wireless
Saint Charles
Cellco Partnership DBA Verizon Wireless
Introduced 10/30/2008
Landline
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 08/04/2010
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 09/20/2007
Wireless
Aurora
Cricket Communications
Introduced 05/07/2009
Landline
Roselle
First Communications LLC
Introduced 12/05/2007
Wireless
Naperville
Cellco Partnership DBA Verizon Wireless
Introduced 11/14/2008
Landline
Lombard
Xo Illinois
Introduced 08/23/2008
Wireless
West Chicago
New Cingular Wireless PCS
Introduced 10/17/2007
Wireless
Naperville
T-mobile Usa
Introduced 10/22/2008
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 10/29/2008
Wireless
Lombard
Cricket Communications
Introduced 11/05/2008
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 09/18/2007
Wireless
Saint Charles
New Cingular Wireless PCS
Introduced 02/15/2010
Wireless
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 10/16/2009
Wireless
Elmhurst
Bandwidth.com Clec
Introduced 06/19/2008
Wireless
Aurora
Sprint Spectrum L.p.
Introduced 09/18/2007
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 11/05/2007
Landline
Aurora
Sigecom
Introduced 07/12/2007
Landline
Naperville
Mci Worldcom Communications
Introduced 10/23/2013
Wireless
West Chicago
T-mobile Usa
Introduced 10/24/2013
Landline
Oswego
New Cingular Wireless PCS
Introduced 05/19/2009
Landline
Downers Grove
Cellco Partnership DBA Verizon Wireless
Introduced 09/22/2010
Unknown
Teleport Communications America
Introduced 05/15/2014
Landline
Lemont
Peerless Network Of Illinois
Introduced 04/10/2013
Unknown
Digital Network Access Communications
Introduced 11/08/2007
Wireless
Elmhurst
Sprint Spectrum L.p.
Introduced 11/18/2008
Landline
Warrenville
Peerless Network Of Illinois
Introduced 09/24/2010
Unknown
Sbc Internet Services
Introduced 05/15/2014
Landline
Oswego
Bandwidth.com Clec
Introduced 09/22/2010

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com

Most Searched Numbers

Prefixes with the Most Subscribers