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331 Area Code Overview

State
IL
Major City
Aurora
Other Cities
Naperville, Downers Grove, Saint Charles, Elmhurst, West Chicago, Bartlett, Lombard, Sugar Grove, Warrenville, Plano
Timezone
Central Daylight Time
Current Time
02:16 pm
Date First Active
Jul 11, 2011

Regions Within 331 Area Code

RegionCity, StateCarrierDate Started
(331) 200-####Bartlett , ILT-Mobile07/11/11
(331) 201-####Downers Grove , ILVerizon01/06/12
(331) 202-####Elmhurst , ILSprint01/17/12
(331) 203-####Aurora , ILSprint10/12/11
(331) 204-####Bartlett , ILBroadvox07/29/13
(331) 205-####Aurora , ILT-Mobile10/21/11
(331) 206-####Aurora , ILSprint10/12/11
(331) 207-####Yorkville , ILLevel 3 Communications11/01/11
(331) 208-####Aurora , ILSprint11/08/11
(331) 209-####Elmhurst , ILLevel 3 Communications01/17/12
(331) 210-####Saint Charles , ILPeerless Network03/06/12
(331) 212-####Aurora , ILVerizon04/05/12
(331) 213-####Naperville , ILVerizon09/06/11
(331) 214-####Downers Grove , ILVerizon06/20/12
(331) 215-####Naperville , ILVerizon09/28/12
(331) 216-####Oswego , ILAT&T10/31/12
(331) 218-####Wheaton , ILT-Mobile07/09/13
(331) 219-####Aurora , ILTELNYX LLC03/16/17
(331) 220-####Aurora , ILSprint07/12/11
(331) 221-####Elmhurst , ILAT&T01/21/09
(331) 222-####Saint Charles , ILCricket Communications10/28/08
(331) 223-####Saint Charles , ILCricket Communications10/28/08
(331) 225-####Elmhurst , ILSprint08/22/11
(331) 226-####Naperville , ILT-Mobile03/20/17
(331) 227-####Sugar Grove , ILVerizon05/17/16
(331) 228-####Saint Charles , ILOvation Communications09/21/11
(331) 229-####Naperville , ILVerizon11/27/12
(331) 230-####Aurora , ILT-Mobile04/05/17
(331) 231-####Naperville , ILAT&T08/07/17
(331) 232-####West Chicago , ILAT&T08/08/17
(331) 233-####Downers Grove , ILTELNYX LLC03/13/17
(331) 234-####Sugar Grove , ILVerizon07/08/13
(331) 235-####Saint Charles , ILAT&T10/17/17
(331) 236-####Wheaton , ILT-Mobile04/05/17
(331) 237-####Naperville , ILVerizon11/07/17
(331) 238-####Downers Grove , ILTeleport Communications12/19/17
(331) 240-####West Chicago , ILPeerless Network04/10/13
(331) 244-####Naperville , ILNEUTRAL TANDEM-ILLINOIS, LLC09/21/17
(331) 245-####Bartlett , ILT-Mobile04/18/13
(331) 248-####Geneva , ILComcast Phone07/06/07
(331) 250-####Aurora , ILT-Mobile04/10/12
(331) 251-####Downers Grove , ILVerizon12/05/12
(331) 252-####Warrenville , ILTeleport Communications06/02/16
(331) 253-####Lemont , ILT-Mobile10/27/14
(331) 254-####Sugar Grove , ILT-Mobile07/16/14
(331) 255-####Aurora , ILNEUTRAL TANDEM-ILLINOIS, LLC08/22/17
(331) 256-####Aurora , ILVerizon09/13/11
(331) 262-####Aurora , ILSprint07/30/08
(331) 263-####Itasca , ILNeutral Tandem03/11/16
(331) 276-####Saint Charles , ILVerizon11/10/14
(331) 281-####Naperville , ILAT&T10/25/12
(331) 300-####Aurora , ILT-Mobile03/17/16
(331) 301-####Aurora , ILLocal Acces03/13/13
(331) 302-####Aurora , ILVerizon02/11/13
(331) 303-####Elburn , ILCibolo Creek Ventures04/22/13
(331) 304-####Bartlett , ILT-Mobile02/20/15
(331) 305-####Naperville , ILVerizon08/15/13
(331) 307-####Lombard , ILT-Mobile10/13/14
(331) 308-####Bartlett , ILBandwidth.com12/23/14
(331) 310-####Big Rock , ILBandwidth.com12/29/14
(331) 315-####Lombard , ILAT&T08/08/16
(331) 318-####Lemont , ILLocal Acces08/01/13
(331) 321-####Aurora , ILT-Mobile07/20/15
(331) 330-####Naperville , ILCricket Communications08/19/08
(331) 332-####Naperville , ILCricket Communications11/03/08
(331) 333-####Naperville , ILCricket Communications11/03/08
(331) 385-####Aurora , ILAT&T09/28/16
(331) 401-####Naperville , ILLevel 3 Communications12/14/15
(331) 422-####Saint Charles , ILLevel 3 Communications11/13/08
(331) 425-####Aurora , ILT-Mobile07/11/07
(331) 431-####Aurora , ILBandwidth.com05/26/10
(331) 442-####Saint Charles , ILVerizon10/30/08
(331) 444-####Naperville , ILVerizonN/A
(331) 452-####Aurora , ILVerizon09/20/07
(331) 454-####Aurora , ILCricket Communications05/07/09
(331) 456-####Roselle , ILFirst Communication12/05/07
(331) 457-####Naperville , ILVerizon11/14/08
(331) 462-####Lombard , ILXO Communications08/23/08
(331) 465-####West Chicago , ILAT&T10/17/07
(331) 472-####Naperville , ILT-Mobile10/22/08
(331) 481-####Downers Grove , ILVerizon10/29/08
(331) 551-####Lombard , ILCricket Communications11/05/08
(331) 575-####Aurora , ILSprint09/18/07
(331) 588-####Saint Charles , ILAT&T02/15/10
(331) 625-####Downers Grove , ILVerizon10/16/09
(331) 642-####Elmhurst , ILBandwidth.comN/A
(331) 643-####Aurora , ILSprint09/18/07
(331) 645-####Elmhurst , ILSprint11/05/07
(331) 666-####Aurora , ILNEUTRAL TANDEM-ILLINOIS, LLC09/29/17
(331) 684-####Aurora , ILSigecom07/12/07
(331) 701-####Naperville , ILVerizon12/11/14
(331) 702-####Naperville , ILVerizon10/23/13
(331) 703-####West Chicago , ILT-Mobile10/24/13
(331) 704-####Kaneville , ILBandwidth.com04/21/15
(331) 707-####Aurora , ILT-Mobile08/23/16
(331) 716-####Wheaton , ILNEUTRAL TANDEM-ILLINOIS, LLC01/18/16
(331) 717-####Oswego , ILAT&T01/18/16
(331) 725-####Oswego , ILAT&TN/A
(331) 757-####Lemont , ILT-Mobile07/13/16
(331) 771-####Saint Charles , ILNeutral Tandem02/10/16
(331) 775-####Downers Grove , ILComcast Phone01/04/16
(331) 777-####Downers Grove , ILVerizonN/A
(331) 800-####West Chicago , ILNEUTRAL TANDEM-ILLINOIS, LLC09/29/17
(331) 801-####Downers Grove , ILTeleport Communications05/15/14
(331) 803-####Lemont , ILPeerless Network04/10/13
(331) 806-####Wheaton , ILComcast Phone06/11/15
(331) 808-####Plano , ILBandwidth.com06/05/15
(331) 814-####Naperville , ILT-Mobile06/25/15
(331) 825-####Geneva , ILDigital Network AccessN/A
(331) 826-####Elmhurst , ILSprint11/18/08
(331) 871-####West Chicago , ILNeutral Tandem02/17/16
(331) 888-####Warrenville , ILPeerless NetworkN/A
(331) 901-####Saint Charles , ILBandwidth.com04/23/15
(331) 903-####Downers Grove , ILSbc Internet Services05/15/14
(331) 979-####Elmhurst , ILComcast Phone03/03/15
(331) 980-####Aurora , ILT-Mobile10/13/14
(331) 998-####Downers Grove , ILVerizon09/16/15
(331) 999-####Oswego , ILBandwidth.comN/A

(331) Area Code | Track Name & Location | WhoEasy