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 |
| 815-742
| 9 |
Rockford |
IL |
RCFRILRTXGY |
6265 UNITED STATES CELLULAR - IL |
360 |
|
|
|
| 815-743
| A |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 0 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 1 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 2 |
Graymont |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
| 815-743
| 3 |
Graymont |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 815-743
| 4 |
Graymont |
IL |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-09-12 |
|
| 815-743
| 5 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 6 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 7 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 8 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-743
| 9 |
Graymont |
IL |
GRMTILXARS0 |
1073 FRONTIER COMMUNICATIONS-PRAIRIE, INC. |
366 |
|
|
|
| 815-744
| A |
Joliet West |
IL |
JOLTILJWDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-745
| A |
Warren |
IL |
WRRNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-745
| 0 |
Warren |
IL |
RCFRILRCX3X |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
360 |
|
2019-11-20 |
|
| 815-745
| 1 |
Warren |
IL |
FRPTILXACMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
360 |
|
2010-06-28 |
|
| 815-745
| 2 |
Warren |
IL |
WRRNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-745
| 3 |
Warren |
IL |
WRRNILXARS0 |
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-745
| 4 |
Warren |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2004-07-02 |
|
| 815-745
| 5 |
Warren |
IL |
FRPTILXAMMD |
224C ONVOY, LLC |
360 |
|
2020-07-18 |
|
| 815-745
| 6 |
Warren |
IL |
RCFRILRTXEY |
145J TERRA NOVA TELECOM INC. |
360 |
|
2026-01-04 |
|
| 815-745
| 7 |
Warren |
IL |
RCFRILRTXRX |
508J CENTURYLINK COMMUNICATIONS, LLC |
360 |
|
2016-02-20 |
|
| 815-745
| 8 |
Warren |
IL |
FRPTILXAMMD |
224C ONVOY, LLC |
360 |
|
2021-04-02 |
|
| 815-745
| 9 |
Warren |
IL |
|
145J TERRA NOVA TELECOM INC. |
360 |
|
2025-05-27 |
|
| 815-746
| A |
Marseilles |
IL |
MRSLILXADS0 |
1050 MARSEILLES TEL. CO. OF MARSEILLES |
358 |
|
|
|
| 815-747
| A |
East Dubuque |
IL |
EDBQILXSDS0 |
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
634 |
|
|
|
| 815-748
| A |
De Kalb |
IL |
DKLBILXADS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-749
| A |
Lockport |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 815-749
| 0 |
Lockport |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2022-10-21 |
|
| 815-749
| 1 |
Lockport |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2022-10-21 |
|
| 815-749
| 2 |
Lockport |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 3 |
Lockport |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 4 |
Lockport |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 5 |
Lockport |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 6 |
Lockport |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 7 |
Lockport |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 8 |
Lockport |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-22 |
|
| 815-749
| 9 |
Lockport |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-23 |
|
| 815-750
| A |
Marseilles |
IL |
MRSLILAFDS1 |
4837 MTCO COMMUNICATIONS, INC. |
358 |
|
|
|
| 815-751
| A |
De Kalb |
IL |
DKLBILXAXBX |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
364 |
|
|
|
| 815-752
| A |
De Kalb |
IL |
DKLBILXADS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-753
| A |
De Kalb |
IL |
DKLBILXADS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-754
| A |
De Kalb |
IL |
DKLBILXAPS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-755
| A |
Seneca |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 815-755
| 0 |
Seneca |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-10 |
|
| 815-755
| 1 |
Seneca |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-28 |
|
| 815-755
| 4 |
Seneca |
IL |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2022-02-15 |
|
| 815-755
| 5 |
Seneca |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2020-08-07 |
|
| 815-755
| 8 |
Seneca |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-07-20 |
|
| 815-755
| 9 |
Seneca |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2021-04-29 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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