Local Calling Guide
Area code/prefix search
NPA: 815
[Rate centres in NPA 815]
[Dial plan for NPA 815]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 815-377
| A |
Crescent City |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-378
| A |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 0 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 1 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 2 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 3 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 4 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 5 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 6 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 7 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 8 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-378
| 9 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-379
| A |
Walnut |
IL |
WLNTILXADS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-379
| 1 |
Walnut |
IL |
PEORILPJX8Z |
073H TELNYX LLC |
368 |
|
2020-07-20 |
|
| 815-379
| 2 |
Walnut |
IL |
WLNTILXADS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-379
| 3 |
Walnut |
IL |
KEWNILXDYMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
368 |
|
2010-04-15 |
|
| 815-379
| 4 |
Walnut |
IL |
PRTNILXA9MD |
224C ONVOY, LLC |
368 |
|
2024-12-30 |
|
| 815-379
| 5 |
Walnut |
IL |
PRTNILXA8MD |
624H ONVOY SPECTRUM, LLC |
368 |
|
2024-12-02 |
|
| 815-379
| 6 |
Walnut |
IL |
PEORILPJXRZ |
495J STRATUS NETWORKS |
368 |
|
2020-08-03 |
|
| 815-379
| 7 |
Walnut |
IL |
PEORILPJX1Z |
508J CENTURYLINK COMMUNICATIONS, LLC |
368 |
|
2016-08-06 |
|
| 815-379
| 8 |
Walnut |
IL |
PEORILPJDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
368 |
|
2015-11-05 |
|
| 815-379
| 9 |
Walnut |
IL |
WLNTILXADS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-380
| A |
Sterling |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
|
|
| 815-380
| 0 |
Sterling |
IL |
DKLBILRS3MD |
6265 UNITED STATES CELLULAR - IL |
364 |
|
2025-01-23 |
|
| 815-380
| 1 |
Sterling |
IL |
DKLBILRS3MD |
6265 UNITED STATES CELLULAR - IL |
364 |
|
2025-01-23 |
|
| 815-380
| 2 |
Sterling |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
|
|
| 815-380
| 5 |
Sterling |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
|
|
| 815-380
| 6 |
Sterling |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
|
|
| 815-380
| 9 |
Sterling |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
|
|
| 815-381
| A |
Rockford |
IL |
RCFRILREDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-382
| A |
Woodstock |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 815-383
| A |
Crescent City |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 815-384
| A |
Creston |
IL |
CETNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-384
| 0 |
Creston |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2020-06-20 |
|
| 815-384
| 1 |
Creston |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2019-09-07 |
|
| 815-384
| 2 |
Creston |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2004-07-16 |
|
| 815-384
| 3 |
Creston |
IL |
CETNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-384
| 4 |
Creston |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2018-10-01 |
|
| 815-384
| 5 |
Creston |
IL |
CETNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-384
| 6 |
Creston |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2020-06-20 |
|
| 815-384
| 7 |
Creston |
IL |
DIXNILXAEMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
364 |
|
2014-08-08 |
|
| 815-384
| 8 |
Creston |
IL |
DKLBILXAX8X |
318J COMCAST IP PHONE, LLC |
364 |
|
2008-03-17 |
|
| 815-384
| 9 |
Creston |
IL |
DIXNILXA3MD |
073H TELNYX LLC |
364 |
|
2020-07-06 |
|
| 815-385
| A |
McHenry |
IL |
MCHNILMYDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-386
| A |
Kankakee |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-386
| 0 |
Kankakee |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-386
| 1 |
Kankakee |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2011-08-04 |
|
| 815-386
| 2 |
Kankakee |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2011-08-04 |
|
| 815-386
| 3 |
Kankakee |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2010-10-10 |
|
| 815-386
| 4 |
Kankakee |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2010-12-19 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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