779 Area Code

NW Illinois

June 18, 2019

Area Code: 779
State/Region: NW Illinois
Major Cities: Rockford
Time Zone: Central
Current Time: 9:07 PM
Date Assigned: 2/6/04
In Service Since: 3/17/07
Overlay?: Yes
Overlay Complex: 815/779
Local Call Dialing: 1+10D
Toll Call Dialing: 1+10D
   

779 Prefixes/Exchanges

Prefix
Location / Company
Company
Assigned
779-200
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
01/18/2011
779-201
LA SALLE, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
03/15/2012
779-202
GALENA, IL
TELEPORT COMMUNICATIONS GROUP - CHICAGO
03/06/2012
779-203
ROCKFORD, IL
SPRINT SPECTRUM L.P.
10/13/2011
779-210
ROCKFORD, IL
SBC INTERNET SERVICES, INC.
09/16/2011
779-211
[UNASSIGNED]
779-214
GALENA, IL
MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL
12/17/2009
779-217
[UNASSIGNED]
779-219
[UNASSIGNED]
779-220
CRYSTAL LK, IL
BANDWIDTH.COM CLEC, LLC - IL
05/25/2011
779-221
ROCKFORD, IL
INFOTELECOM, LLC - IL
04/02/2010
779-222
SYCAMORE, IL
CYGNUS TELECOMMUNICATIONS CORPORATION - IL
08/05/2010
779-223
OGLESBY, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
07/18/2011
779-224
[UNASSIGNED]
779-225
JOLIET, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
09/21/2011
779-232
WILMINGTON, IL
TELEPORT COMMUNICATIONS GROUP - CHICAGO
06/07/2007
779-233
JOLIET, IL
SPRINT SPECTRUM L.P.
07/21/2011
779-235
CRESCENTCY, IL
SBC INTERNET SERVICES, INC.
02/04/2011
779-236
KANKAKEE, IL
SPRINT SPECTRUM L.P.
07/27/2011
779-245
STERLING, IL
IOWA WIRELESS SERVICES, LP
07/14/2008
779-256
ROCKFORD, IL
SPRINT SPECTRUM L.P.
11/08/2011
779-279
JOLIET, IL
DENALI SPECTRUM LICENSE, LLC
10/29/2008
779-300
ROCKFORD, IL
SPRINT SPECTRUM L.P.
02/17/2011
779-309
[UNASSIGNED]
779-311
[UNASSIGNED]
779-312
[UNASSIGNED]
779-324
FRANKFORT, IL
BANDWIDTH.COM CLEC, LLC - IL
08/17/2010
779-331
[UNASSIGNED]
779-348
ROCKFORD, IL
TELEPORT COMMUNICATIONS GROUP - CHICAGO
06/13/2007
779-368
NEWMILFORD, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
08/21/2007
779-379
JOLIET, IL
DENALI SPECTRUM LICENSE, LLC
10/29/2008
779-382
GENOA, IL
CHARTER FIBERLINK - ILLINOIS, LLC - IL
05/07/2007
779-400
DE KALB, IL
YMAX COMMUNICATIONS CORP. - IL
02/17/2011
779-411
[UNASSIGNED]
779-423
ROCKFORD, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
08/08/2007
779-429
WILMINGTON, IL
CYGNUS TELECOMMUNICATIONS CORPORATION - IL
11/13/2008
779-432
SHEFFIELD, IL
MTCO COMMUNICATIONS, INC.
03/27/2007
779-435
JOLIET, IL
AMERITECH ILLINOIS
11/13/2006
779-444
WONDERLAKE, IL
BANDWIDTH.COM CLEC, LLC - IL
08/17/2010
779-456
JOLIET, IL
T-MOBILE USA, INC.
01/09/2008
779-475
SO BELOIT, IL
CHARTER FIBERLINK - ILLINOIS, LLC - IL
03/27/2007
779-500
ROCKFORD, IL
TELEPORT COMMUNICATIONS GROUP - CHICAGO
03/16/2011
779-511
[UNASSIGNED]
779-529
MANTENO, IL
BANDWIDTH.COM CLEC, LLC - IL
08/17/2010
779-537
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
03/27/2007
779-545
MT MORRIS, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
08/08/2007
779-548
MARENGO, IL
BANDWIDTH.COM CLEC, LLC - IL
08/16/2010
779-552
BELVIDERE, IL
DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL
06/04/2007
779-555
[UNASSIGNED]
779-563
[UNASSIGNED]
779-608
[UNASSIGNED]
779-611
[UNASSIGNED]
779-618
[UNASSIGNED]
779-630
[UNASSIGNED]
779-696
ROCKFORD, IL
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IL
08/18/2010
779-700
[UNASSIGNED]
779-708
[UNASSIGNED]
779-711
[UNASSIGNED]
779-770
ROCKFORD, IL
DENALI SPECTRUM LICENSE, LLC
11/18/2008
779-771
ROCKFORD, IL
DENALI SPECTRUM LICENSE, LLC
11/18/2008
779-772
ROCKFORD, IL
DENALI SPECTRUM LICENSE, LLC
11/18/2008
779-773
[UNASSIGNED]
779-774
ROCKFORD, IL
TDS METROCOM INC.-IL
02/01/2012
779-777
DE KALB, IL
DENALI SPECTRUM LICENSE, LLC
10/22/2008
779-779
[UNASSIGNED]
779-811
[UNASSIGNED]
779-815
[UNASSIGNED]
779-847
[UNASSIGNED]
779-861
DIXON, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
05/26/2010
779-872
[UNASSIGNED]
779-875
JOLIET, IL
SPRINT SPECTRUM L.P.
07/12/2007
779-911
[UNASSIGNED]
779-950
[UNASSIGNED]
779-958
AMERITECH ILLINOIS
[UNASSIGNED]
779-959
AMERITECH ILLINOIS
[UNASSIGNED]
779-976
[UNASSIGNED]
779-999
NEWARK, IL
CYGNUS TELECOMMUNICATIONS CORPORATION - IL
09/24/2010
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