All Area Codes of 331

Illinois

Area Codes List: 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872

Prefix City Company Type Introduced
331203 Aurora, IL Sprint Spectrum L.p. Cell Number 10/12/2011
331205 Aurora, IL T-mobile Usa Cell Number 10/21/2011
331206 Aurora, IL Sprint Spectrum L.p. Cell Number 10/12/2011
331208 Aurora, IL Sprint Spectrum L.p. Cell Number 11/08/2011
331212 Aurora, IL Mci Worldcom Communications Landline 04/05/2012
331220 Aurora, IL Sprint Spectrum L.p. Cell Number 07/12/2011
331250 Aurora, IL T-mobile Usa Cell Number 04/10/2012
331256 Aurora, IL Cellco Partnership DBA Verizon Wireless Cell Number 09/13/2011
331262 Aurora, IL Sprint Spectrum L.p. Cell Number 07/30/2008
331301 Aurora, IL Local Access LLC Landline 03/13/2013
331302 Aurora, IL Cellco Partnership DBA Verizon Wireless Cell Number 02/11/2013
331425 Aurora, IL T-mobile Usa Cell Number 07/11/2007
331431 Aurora, IL Bandwidth.com Clec Cell Number 05/26/2010
331452 Aurora, IL Cellco Partnership DBA Verizon Wireless Cell Number 09/20/2007
331454 Aurora, IL Cricket Communications Cell Number 05/07/2009
331575 Aurora, IL Sprint Spectrum L.p. Cell Number 09/18/2007
331643 Aurora, IL Sprint Spectrum L.p. Cell Number 09/18/2007
331684 Aurora, IL Sigecom Landline 07/12/2007
331200 Bartlett, IL T-mobile Usa Cell Number 07/11/2011
331204 Bartlett, IL Broadvox-clec Landline 07/29/2013
331245 Bartlett, IL T-mobile Usa Cell Number 04/18/2013
331201 Downers Grove, IL Cellco Partnership DBA Verizon Wireless Cell Number 01/06/2012
331214 Downers Grove, IL Cellco Partnership DBA Verizon Wireless Cell Number 06/20/2012
331251 Downers Grove, IL Cellco Partnership DBA Verizon Wireless Cell Number 12/05/2012
331481 Downers Grove, IL Cellco Partnership DBA Verizon Wireless Cell Number 10/29/2008
331625 Downers Grove, IL Cellco Partnership DBA Verizon Wireless Cell Number 10/16/2009
331777 Downers Grove, IL Cellco Partnership DBA Verizon Wireless Landline 09/22/2010
331303 Elburn, IL Cibolo Creek Ventures DBA Routepoint Comm Il Landline 04/22/2013
331202 Elmhurst, IL Sprint Spectrum L.p. Cell Number 01/17/2012
331209 Elmhurst, IL Level 3 Communications Cell Number 01/17/2012
331221 Elmhurst, IL Ameritech Illinois Landline 01/21/2009
331225 Elmhurst, IL Sprint Spectrum L.p. Cell Number 08/22/2011
331642 Elmhurst, IL Bandwidth.com Clec Cell Number 06/19/2008
331645 Elmhurst, IL Sprint Spectrum L.p. Cell Number 11/05/2007
331826 Elmhurst, IL Sprint Spectrum L.p. Cell Number 11/18/2008
331248 Geneva, IL Comcast Phone Of Illinois DBA Comco Landline 07/06/2007
331318 Lemont, IL Local Access LLC Landline 08/01/2013
331803 Lemont, IL Peerless Network Of Illinois Landline 04/10/2013
331462 Lombard, IL Xo Illinois Landline 08/23/2008
331551 Lombard, IL Cricket Communications Cell Number 11/05/2008
331213 Naperville, IL Cellco Partnership DBA Verizon Wireless Cell Number 09/06/2011
331215 Naperville, IL Cellco Partnership DBA Verizon Wireless Cell Number 09/28/2012
331229 Naperville, IL Cellco Partnership DBA Verizon Wireless Cell Number 11/27/2012
331281 Naperville, IL Ameritech Illinois Landline 10/25/2012
331305 Naperville, IL Cellco Partnership DBA Verizon Wireless Cell Number 08/15/2013
331332 Naperville, IL Cricket Communications Cell Number 11/03/2008
331333 Naperville, IL Cricket Communications Cell Number 11/03/2008
331444 Naperville, IL Cellco Partnership DBA Verizon Wireless Landline 08/04/2010
331457 Naperville, IL Cellco Partnership DBA Verizon Wireless Cell Number 11/14/2008
331472 Naperville, IL T-mobile Usa Cell Number 10/22/2008
331702 Naperville, IL Mci Worldcom Communications Landline 10/23/2013
331216 Oswego, IL New Cingular Wireless PCS Cell Number 10/31/2012
331330 Oswego, IL Cricket Communications Landline 08/19/2008
331725 Oswego, IL New Cingular Wireless PCS Landline 05/19/2009
331999 Oswego, IL Bandwidth.com Clec Landline 09/22/2010
331456 Roselle, IL First Communications LLC Landline 12/05/2007
331210 Saint Charles, IL Peerless Network Of Illinois Landline 03/06/2012
331222 Saint Charles, IL Cricket Communications Cell Number 10/28/2008
331223 Saint Charles, IL Cricket Communications Cell Number 10/28/2008
331228 Saint Charles, IL Ovation Communications Of Illinois Cell Number 09/21/2011
331422 Saint Charles, IL Level 3 Communications Landline 11/13/2008
331442 Saint Charles, IL Cellco Partnership DBA Verizon Wireless Cell Number 10/30/2008
331588 Saint Charles, IL New Cingular Wireless PCS Cell Number 02/15/2010
331234 Sugar Grove, IL Cellco Partnership DBA Verizon Wireless Cell Number 07/08/2013
331888 Warrenville, IL Peerless Network Of Illinois Landline 09/24/2010
331240 West Chicago, IL Peerless Network Of Illinois Landline 04/10/2013
331465 West Chicago, IL New Cingular Wireless PCS Cell Number 10/17/2007
331703 West Chicago, IL T-mobile Usa Cell Number 10/24/2013
331218 Wheaton, IL T-mobile Usa Cell Number 07/09/2013
331207 Yorkville, IL Level 3 Communications Landline 11/01/2011

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