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Area Code 331 Detail

State Major City Time Zone
Illinois Aurora Central (01:29PM)

Major Cities in Area Code 331

Prefix City 1 City 2 City 3 City 4 City 5
331Addison, ILAurora, ILBartlett, ILBatavia, ILBensenville, IL
331Bloomingdale, ILBolingbrook, ILCarol Stream, ILDarien, ILDowners Grove, IL
331Elmhurst, ILGlen Ellyn, ILGlendale Heights, ILHanover Park, ILLisle, IL
331Lombard, ILNaperville, ILRoselle, ILSt. Charles, ILStreamwood, IL
331Villa Park, ILWest Chicago, ILWestmont, ILWheaton, ILWoodridge, IL

Aria Code 331 Prefixes

Prefix Primary City Company County Usage Introduced
331 - 200Bartlett, ILT-mobile Usa, Inc.Cook CountyWireless Numbers07/11/2011
331 - 201Downers Grove, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers01/06/2012
331 - 202Elmhurst, ILSprint Spectrum L.p.Dupage CountyWireless Numbers01/17/2012
331 - 203Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers10/12/2011
331 - 204Bartlett, ILBroadvox-clec, LLC - ILCook CountyLandline Numbers07/29/2013
331 - 205Aurora, ILT-mobile Usa, Inc.Kane CountyWireless Numbers10/21/2011
331 - 206Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers10/12/2011
331 - 207Yorkville, ILLevel 3 Communications, LLC - ILKendall CountyLandline Numbers11/01/2011
331 - 208Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers11/08/2011
331 - 209Elmhurst, ILLevel 3 Communications, LLC - ILDupage CountyWireless Numbers01/17/2012
331 - 210Saint Charles, ILPeerless Network Of Illinois, LLC - ILKane CountyLandline Numbers03/06/2012
331 - 212Aurora, ILMci Worldcom Communications, Inc. - ILKane CountyLandline Numbers04/05/2012
331 - 213Naperville, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers09/06/2011
331 - 214Downers Grove, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers06/20/2012
331 - 215Naperville, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers09/28/2012
331 - 216Oswego, ILNew Cingular Wireless PCS, LLC - ILKendall CountyWireless Numbers10/31/2012
331 - 218Wheaton, ILT-mobile Usa, Inc.Dupage CountyWireless Numbers07/09/2013
331 - 220Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers07/12/2011
331 - 221Elmhurst, ILAmeritech IllinoisDupage CountyLandline Numbers01/21/2009
331 - 222Saint Charles, ILCricket Communications, Inc.Kane CountyWireless Numbers10/28/2008
331 - 223Saint Charles, ILCricket Communications, Inc.Kane CountyWireless Numbers10/28/2008
331 - 225Elmhurst, ILSprint Spectrum L.p.Dupage CountyWireless Numbers08/22/2011
331 - 228Saint Charles, ILOvation Communications Of Illinois, Inc.Kane CountyWireless Numbers09/21/2011
331 - 229Naperville, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers11/27/2012
331 - 234Sugar Grove, ILCellco Partnership DBA Verizon Wireless - ILKane CountyWireless Numbers07/08/2013
331 - 240West Chicago, ILPeerless Network Of Illinois, LLC - ILDupage CountyLandline Numbers04/10/2013
331 - 245Bartlett, ILT-mobile Usa, Inc.Cook CountyWireless Numbers04/18/2013
331 - 248Geneva, ILComcast Phone Of Illinois, LLC DBA Comco - ILKane CountyLandline Numbers07/06/2007
331 - 250Aurora, ILT-mobile Usa, Inc.Kane CountyWireless Numbers04/10/2012
331 - 251Downers Grove, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers12/05/2012
331 - 254T-mobile Usa, Inc.07/16/2014
331 - 256Aurora, ILCellco Partnership DBA Verizon Wireless - ILKane CountyWireless Numbers09/13/2011
331 - 262Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers07/30/2008
331 - 281Naperville, ILAmeritech IllinoisDupage CountyLandline Numbers10/25/2012
331 - 301Aurora, ILLocal Access LLC - ILKane CountyLandline Numbers03/13/2013
331 - 302Aurora, ILCellco Partnership DBA Verizon Wireless - ILKane CountyWireless Numbers02/11/2013
331 - 303Elburn, ILCibolo Creek Ventures, LLC DBA Routepoint Comm IlKane CountyLandline Numbers04/22/2013
331 - 305Naperville, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers08/15/2013
331 - 318Lemont, ILLocal Access LLC - ILCook CountyLandline Numbers08/01/2013
331 - 330Oswego, ILCricket Communications, Inc.Kendall CountyLandline Numbers08/19/2008
331 - 332Naperville, ILCricket Communications, Inc.Dupage CountyWireless Numbers11/03/2008
331 - 333Naperville, ILCricket Communications, Inc.Dupage CountyWireless Numbers11/03/2008
331 - 422Saint Charles, ILLevel 3 Communications, LLC - ILKane CountyLandline Numbers11/13/2008
331 - 425Aurora, ILT-mobile Usa, Inc.Kane CountyWireless Numbers07/11/2007
331 - 431Aurora, ILBandwidth.com Clec, LLC - ILKane CountyWireless Numbers05/26/2010
331 - 442Saint Charles, ILCellco Partnership DBA Verizon Wireless - ILKane CountyWireless Numbers10/30/2008
331 - 444Naperville, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyLandline Numbers08/04/2010
331 - 452Aurora, ILCellco Partnership DBA Verizon Wireless - ILKane CountyWireless Numbers09/20/2007
331 - 454Aurora, ILCricket Communications, Inc.Kane CountyWireless Numbers05/07/2009
331 - 456Roselle, ILFirst Communications LLCDupage CountyLandline Numbers12/05/2007
331 - 457Naperville, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers11/14/2008
331 - 462Lombard, ILXo Illinois, Inc.Dupage CountyLandline Numbers08/23/2008
331 - 465West Chicago, ILNew Cingular Wireless PCS, LLC - ILDupage CountyWireless Numbers10/17/2007
331 - 472Naperville, ILT-mobile Usa, Inc.Dupage CountyWireless Numbers10/22/2008
331 - 481Downers Grove, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers10/29/2008
331 - 551Lombard, ILCricket Communications, Inc.Dupage CountyWireless Numbers11/05/2008
331 - 575Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers09/18/2007
331 - 588Saint Charles, ILNew Cingular Wireless PCS, LLC - ILKane CountyWireless Numbers02/15/2010
331 - 625Downers Grove, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyWireless Numbers10/16/2009
331 - 642Elmhurst, ILBandwidth.com Clec, LLC - ILDupage CountyWireless Numbers06/19/2008
331 - 643Aurora, ILSprint Spectrum L.p.Kane CountyWireless Numbers09/18/2007
331 - 645Elmhurst, ILSprint Spectrum L.p.Dupage CountyWireless Numbers11/05/2007
331 - 684Aurora, ILSigecom, LLC - ILKane CountyLandline Numbers07/12/2007
331 - 702Naperville, ILMci Worldcom Communications, Inc. - ILDupage CountyLandline Numbers10/23/2013
331 - 703West Chicago, ILT-mobile Usa, Inc.Dupage CountyWireless Numbers10/24/2013
331 - 725Oswego, ILNew Cingular Wireless PCS, LLC - ILKendall CountyLandline Numbers05/19/2009
331 - 777Downers Grove, ILCellco Partnership DBA Verizon Wireless - ILDupage CountyLandline Numbers09/22/2010
331 - 801Teleport Communications America, LLC - IL05/15/2014
331 - 803Lemont, ILPeerless Network Of Illinois, LLC - ILCook CountyLandline Numbers04/10/2013
331 - 825Digital Network Access Communications, Inc. - IL11/08/2007
331 - 826Elmhurst, ILSprint Spectrum L.p.Dupage CountyWireless Numbers11/18/2008
331 - 888Warrenville, ILPeerless Network Of Illinois, LLC - ILDupage CountyLandline Numbers09/24/2010
331 - 903Sbc Internet Services, Inc.05/15/2014
331 - 999Oswego, ILBandwidth.com Clec, LLC - ILKendall CountyLandline Numbers09/22/2010