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Area Codes
Country Codes
Zip Codes
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area codes
/ 779 /
779 Area Code
NW Illinois
April 19, 2024
Area Code:
779
State/Region:
NW Illinois
Major Cities:
Rockford
Time Zone:
Central
Current Time:
9:06 AM
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
U.S. STATE Capitals:
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779 Prefixes/Exchanges
Prefix
Location
/ Company
Company
Assigned
779-200
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
1/18/11
779-201
LA SALLE, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
3/15/12
779-202
GALENA, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
3/6/12
779-203
ROCKFORD, IL
SPRINT SPECTRUM L.P.
10/13/11
779-204
VERONA, IL
ONVOY, LLC
3/19/14
779-205
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
5/30/12
779-206
JOLIET, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
6/20/12
779-207
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
779-208
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
11/16/12
779-209
SANDWICH, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
8/31/12
779-210
ROCKFORD, IL
AT&T CORP.
9/16/11
779-211
[UNASSIGNED]
779-212
DE KALB, IL
BRIGHTLINK COMMUNICATIONS, LLC
3/13/13
779-213
OGLESBY, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
4/9/13
779-214
GALENA, IL
MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL
12/17/09
779-215
TONICA, IL
LOCAL ACCESS LLC - IL
4/9/13
779-216
FRANKFORT, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
4/9/13
779-217
[UNASSIGNED]
779-218
WATSEKA, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
4/9/13
779-219
[UNASSIGNED]
779-220
CRYSTAL LK, IL
BANDWIDTH.COM CLEC, LLC - IL
5/25/11
779-221
ROCKFORD, IL
ONVOY, LLC
4/2/10
779-222
SYCAMORE, IL
LEVEL 3 COMMUNICATIONS, LLC - IL
8/5/10
779-223
ONARGA, IL
ONVOY, LLC - IL
3/23/16
779-224
[UNASSIGNED]
779-225
JOLIET, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
9/21/11
779-226
POLO, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
4/24/13
779-227
JOLIET, IL
METRO PCS, INC.
7/1/14
779-228
MAZON, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
4/10/13
779-229
DEPUE, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
5/7/13
779-230
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
9/28/16
779-231
JOLIET, IL
MCI WORLDCOM COMMUNICATIONS, INC. - IL
12/21/15
779-232
WILMINGTON, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
6/7/07
779-233
JOLIET, IL
SPRINT SPECTRUM L.P.
7/21/11
779-234
PLAINFIELD, IL
LOCAL ACCESS LLC - IL
8/1/13
779-235
CRESCENTCY, IL
AT&T CORP.
2/4/11
779-236
KANKAKEE, IL
SPRINT SPECTRUM L.P.
7/27/11
779-237
STREATOR, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
1/8/18
779-238
ROCKFORD, IL
T-MOBILE USA, INC.
4/4/17
779-239
PRINCETON, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
1/14/16
779-240
KANKAKEE, IL
T-MOBILE USA, INC.
6/11/14
779-241
MORRIS, IL
T-MOBILE USA, INC.
6/1/17
779-242
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/5/17
779-243
FRANKFORT, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/5/17
779-244
MCHENRY, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/5/17
779-245
STERLING, IL
T-MOBILE USA, INC.
7/14/08
779-246
ROCHELLE, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
10/23/17
779-247
WOODSTOCK, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
12/1/17
779-248
GALENA, IL
CENTURYLINK COMMUNICATIONS LLC
6/3/16
779-249
DWIGHT, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
2/22/18
779-250
STERLING, IL
T-MOBILE USA, INC.
2/27/18
779-251
DIXON, IL
CENTURYLINK COMMUNICATIONS LLC
4/1/14
779-252
PLAINFIELD, IL
METRO FIBERNET, LLC - IL
1/6/16
779-253
SO BELOIT, IL
METRO PCS, INC.
10/7/14
779-254
FRANKFORT, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
9/1/15
779-255
DE KALB, IL
METRO FIBERNET, LLC - IL
5/16/18
779-256
ROCKFORD, IL
VONAGE NETWORK INC.
6/5/18
779-257
WILMINGTON, IL
BANDWIDTH.COM CLEC, LLC - IL
7/11/18
779-258
HERSCHER, IL
ONVOY, LLC
8/27/18
779-259
MANTENO, IL
ONVOY, LLC
8/27/18
779-260
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/8/18
779-261
FAIRBURY, IL
ONVOY, LLC
11/30/18
779-262
OGLESBY, IL
ONVOY, LLC
12/5/18
779-263
PLAINFIELD, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
1/2/18
779-279
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/29/08
779-287
UNION, IL
ONVOY, LLC - IL
3/24/16
779-300
ROCKFORD, IL
SPRINT SPECTRUM L.P.
2/17/11
779-301
KANKAKEE, IL
T-MOBILE USA, INC.
6/11/14
779-302
WOODSTOCK, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
2/27/15
779-303
PLAINFIELD, IL
TELNYX LLC
779-309
[UNASSIGNED]
779-311
[UNASSIGNED]
779-312
[UNASSIGNED]
779-324
FRANKFORT, IL
BANDWIDTH.COM CLEC, LLC - IL
8/17/10
779-331
[UNASSIGNED]
779-333
FRANKFORT, IL
ONVOY, LLC - IL
4/11/13
779-348
ROCKFORD, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
6/13/07
779-368
NEWMILFORD, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
8/21/07
779-379
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/29/08
779-382
GENOA, IL
CHARTER FIBERLINK - ILLINOIS, LLC - IL
5/7/07
779-400
DE KALB, IL
YMAX COMMUNICATIONS CORP. - IL
2/17/11
779-411
[UNASSIGNED]
779-423
ROCKFORD, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
8/8/07
779-429
WILMINGTON, IL
AT&T CORP.
11/13/08
779-432
SHEFFIELD, IL
MTCO COMMUNICATIONS, INC.
3/27/07
779-435
JOLIET, IL
AMERITECH ILLINOIS
11/13/06
779-444
WONDERLAKE, IL
BANDWIDTH.COM CLEC, LLC - IL
8/17/10
779-456
JOLIET, IL
T-MOBILE USA, INC.
1/9/08
779-475
SO BELOIT, IL
CHARTER FIBERLINK - ILLINOIS, LLC - IL
3/27/07
779-500
ROCKFORD, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
3/16/11
779-511
[UNASSIGNED]
779-513
ROCKFORD, IL
CENTURYLINK COMMUNICATIONS LLC
10/16/15
779-529
MANTENO, IL
BANDWIDTH.COM CLEC, LLC - IL
8/17/10
779-537
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
3/27/07
779-545
MT MORRIS, IL
COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL
8/8/07
779-548
MARENGO, IL
BANDWIDTH.COM CLEC, LLC - IL
8/16/10
779-552
BELVIDERE, IL
DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL
6/4/07
779-555
[UNASSIGNED]
779-563
[UNASSIGNED]
779-601
LA SALLE, IL
BANDWIDTH.COM CLEC, LLC - IL
9/10/14
779-608
[UNASSIGNED]
779-611
[UNASSIGNED]
779-618
[UNASSIGNED]
779-630
[UNASSIGNED]
779-666
ROCKFORD, IL
ONVOY, LLC
10/3/17
779-696
ROCKFORD, IL
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IL
8/18/10
779-700
[UNASSIGNED]
779-701
KANKAKEE, IL
BANDWIDTH.COM CLEC, LLC - IL
1/28/15
779-702
JOLIET, IL
T-MOBILE USA, INC.
6/11/14
779-703
JOLIET, IL
T-MOBILE USA, INC.
10/7/13
779-704
MCHENRY, IL
MCI WORLDCOM COMMUNICATIONS, INC. - IL
10/31/13
779-706
SANDWICH, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
2/24/15
779-707
JOLIET, IL
BANDWIDTH.COM CLEC, LLC - IL
4/21/15
779-708
[UNASSIGNED]
779-711
[UNASSIGNED]
779-713
WOODSTOCK, IL
T-MOBILE USA, INC.
5/22/15
779-717
SPRING VLY, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
10/15/15
779-770
ROCKFORD, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
11/18/08
779-771
ROCKFORD, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
11/18/08
779-772
ROCKFORD, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
11/18/08
779-773
[UNASSIGNED]
779-774
ROCKFORD, IL
TDS METROCOM INC.-IL
2/1/12
779-777
DE KALB, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
10/22/08
779-779
[UNASSIGNED]
779-800
CRYSTAL LK, IL
ONVOY, LLC - IL
4/11/13
779-801
KANKAKEE, IL
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
9/7/16
779-803
NEW LENOX, IL
BANDWIDTH.COM CLEC, LLC - IL
8/16/13
779-804
PONTIAC, IL
MCI WORLDCOM COMMUNICATIONS, INC. - IL
2/24/15
779-811
[UNASSIGNED]
779-815
[UNASSIGNED]
779-847
[UNASSIGNED]
779-861
DIXON, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
5/26/10
779-872
[UNASSIGNED]
779-875
JOLIET, IL
SPRINT SPECTRUM L.P.
7/12/07
779-888
ROCKFORD, IL
ONVOY, LLC - IL
1/28/15
779-901
MARENGO, IL
BANDWIDTH.COM CLEC, LLC - IL
4/30/15
779-903
BRAIDWOOD, IL
ONVOY, LLC
7/29/13
779-911
[UNASSIGNED]
779-915
WOODSTOCK, IL
T-MOBILE USA, INC.
11/16/16
779-931
SANDWICH, IL
FRONTIER NORTH, INC. - IL
10/27/16
779-939
JOLIET, IL
NEW CINGULAR WIRELESS PCS, LLC - IL
2/3/16
779-950
[UNASSIGNED]
779-958
AMERITECH ILLINOIS
[UNASSIGNED]
779-959
AMERITECH ILLINOIS
[UNASSIGNED]
779-970
ROCKFORD, IL
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
9/14/15
779-976
[UNASSIGNED]
779-978
SANDWICH, IL
UNITED STATES CELLULAR CORP. - ILLINOIS
6/4/15
779-994
CRYSTAL LK, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
4/10/13
779-999
NEWARK, IL
PEERLESS NETWORK OF ILLINOIS, LLC - IL
9/24/10
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