Illinois Areacode: 331
Note๏ผ331 is the areacode of Illinois, United States. For international number is 001331 or 001-331ใ0010331ใ+1-331ใ+1+331ใ+1331ใ00-1-331ใ00 1 331.
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.
Active Phone Number Prefixes
Prefix | Usage | Primary City | Carrier |
(331) 200- | Wireless | Bartlett | T-mobile Usa |
(331) 201- | Wireless | Downers Grove | Cellco Partnership DBA Verizon Wireless |
(331) 202- | Wireless | Elmhurst | Sprint Spectrum L.p. |
(331) 203- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 204- | Landline | Bartlett | Broadvox-clec |
(331) 205- | Wireless | Aurora | T-mobile Usa |
(331) 206- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 207- | Landline | Yorkville | Level 3 Communications |
(331) 208- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 209- | Wireless | Elmhurst | Level 3 Communications |
(331) 210- | Landline | Saint Charles | Peerless Network Of Illinois |
(331) 212- | Landline | Aurora | Mci Worldcom Communications |
(331) 213- | Wireless | Naperville | Cellco Partnership DBA Verizon Wireless |
(331) 214- | Wireless | Downers Grove | Cellco Partnership DBA Verizon Wireless |
(331) 215- | Wireless | Naperville | Cellco Partnership DBA Verizon Wireless |
(331) 216- | Wireless | Oswego | New Cingular Wireless PCS |
(331) 218- | Wireless | Wheaton | T-mobile Usa |
(331) 220- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 221- | Landline | Elmhurst | Ameritech Illinois |
(331) 222- | Wireless | Saint Charles | Cricket Communications |
(331) 223- | Wireless | Saint Charles | Cricket Communications |
(331) 225- | Wireless | Elmhurst | Sprint Spectrum L.p. |
(331) 228- | Wireless | Saint Charles | Ovation Communications Of Illinois |
(331) 229- | Wireless | Naperville | Cellco Partnership DBA Verizon Wireless |
(331) 234- | Wireless | Sugar Grove | Cellco Partnership DBA Verizon Wireless |
(331) 240- | Landline | West Chicago | Peerless Network Of Illinois |
(331) 245- | Wireless | Bartlett | T-mobile Usa |
(331) 248- | Landline | Geneva | Comcast Phone Of Illinois DBA Comco |
(331) 250- | Wireless | Aurora | T-mobile Usa |
(331) 251- | Wireless | Downers Grove | Cellco Partnership DBA Verizon Wireless |
(331) 254- | Unknown | T-mobile Usa | |
(331) 256- | Wireless | Aurora | Cellco Partnership DBA Verizon Wireless |
(331) 262- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 281- | Landline | Naperville | Ameritech Illinois |
(331) 301- | Landline | Aurora | Local Access LLC |
(331) 302- | Wireless | Aurora | Cellco Partnership DBA Verizon Wireless |
(331) 303- | Landline | Elburn | Cibolo Creek Ventures DBA Routepoint Comm Il |
(331) 305- | Wireless | Naperville | Cellco Partnership DBA Verizon Wireless |
(331) 318- | Landline | Lemont | Local Access LLC |
(331) 330- | Landline | Oswego | Cricket Communications |
(331) 332- | Wireless | Naperville | Cricket Communications |
(331) 333- | Wireless | Naperville | Cricket Communications |
(331) 422- | Landline | Saint Charles | Level 3 Communications |
(331) 425- | Wireless | Aurora | T-mobile Usa |
(331) 431- | Wireless | Aurora | Bandwidth.com Clec |
(331) 442- | Wireless | Saint Charles | Cellco Partnership DBA Verizon Wireless |
(331) 444- | Landline | Naperville | Cellco Partnership DBA Verizon Wireless |
(331) 452- | Wireless | Aurora | Cellco Partnership DBA Verizon Wireless |
(331) 454- | Wireless | Aurora | Cricket Communications |
(331) 456- | Landline | Roselle | First Communications LLC |
(331) 457- | Wireless | Naperville | Cellco Partnership DBA Verizon Wireless |
(331) 462- | Landline | Lombard | Xo Illinois |
(331) 465- | Wireless | West Chicago | New Cingular Wireless PCS |
(331) 472- | Wireless | Naperville | T-mobile Usa |
(331) 481- | Wireless | Downers Grove | Cellco Partnership DBA Verizon Wireless |
(331) 551- | Wireless | Lombard | Cricket Communications |
(331) 575- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 588- | Wireless | Saint Charles | New Cingular Wireless PCS |
(331) 625- | Wireless | Downers Grove | Cellco Partnership DBA Verizon Wireless |
(331) 642- | Wireless | Elmhurst | Bandwidth.com Clec |
(331) 643- | Wireless | Aurora | Sprint Spectrum L.p. |
(331) 645- | Wireless | Elmhurst | Sprint Spectrum L.p. |
(331) 684- | Landline | Aurora | Sigecom |
(331) 702- | Landline | Naperville | Mci Worldcom Communications |
(331) 703- | Wireless | West Chicago | T-mobile Usa |
(331) 725- | Landline | Oswego | New Cingular Wireless PCS |
(331) 777- | Landline | Downers Grove | Cellco Partnership DBA Verizon Wireless |
(331) 801- | Unknown | Teleport Communications America | |
(331) 803- | Landline | Lemont | Peerless Network Of Illinois |
(331) 825- | Unknown | Digital Network Access Communications | |
(331) 826- | Wireless | Elmhurst | Sprint Spectrum L.p. |
(331) 888- | Landline | Warrenville | Peerless Network Of Illinois |
(331) 903- | Unknown | Sbc Internet Services | |
(331) 999- | Landline | Oswego | Bandwidth.com Clec |
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