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 |
| 815-563
| 5 |
Cedarville |
IL |
RCFRILRTX4Y |
318J COMCAST IP PHONE, LLC |
360 |
|
2009-01-09 |
|
| 815-563
| 6 |
Cedarville |
IL |
FRPTILXAMMD |
224C ONVOY, LLC |
360 |
|
2020-07-18 |
|
| 815-563
| 7 |
Cedarville |
IL |
RCFRILRTXRX |
508J CENTURYLINK COMMUNICATIONS, LLC |
360 |
|
2016-01-23 |
|
| 815-563
| 8 |
Cedarville |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
360 |
|
2004-02-04 |
|
| 815-563
| 9 |
Cedarville |
IL |
CDVLILXARS1 |
1036 FRONTIER NORTH, INC. - IL |
360 |
|
|
|
| 815-564
| A |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-564
| 0 |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-564
| 1 |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-564
| 2 |
Sterling |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2006-11-01 |
|
| 815-564
| 3 |
Sterling |
IL |
DKLBILRSDMD |
6529 T-MOBILE USA, INC. |
364 |
|
2018-03-24 |
|
| 815-564
| 4 |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-564
| 5 |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-564
| 6 |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-564
| 7 |
Sterling |
IL |
DKLBILXAXBX |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
364 |
|
|
|
| 815-564
| 8 |
Sterling |
IL |
DKLBILXAXBX |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
364 |
|
|
|
| 815-564
| 9 |
Sterling |
IL |
STNGILSIDS0 |
9329 ILLINOIS BELL TEL CO |
364 |
|
|
|
| 815-565
| A |
Savanna |
IL |
DIXNILXA0MD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
|
|
| 815-565
| 1 |
Savanna |
IL |
DIXNILXAJMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2021-06-18 |
|
| 815-565
| 2 |
Savanna |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2021-07-16 |
|
| 815-565
| 6 |
Savanna |
IL |
DKLBILXAPMD |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
364 |
|
2022-01-14 |
|
| 815-565
| 7 |
Savanna |
IL |
DIXNILXA0MD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
2010-04-15 |
|
| 815-566
| A |
Belvidere |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
|
|
| 815-566
| 0 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2003-05-24 |
|
| 815-566
| 1 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2003-08-10 |
|
| 815-566
| 2 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2003-09-30 |
|
| 815-566
| 3 |
Belvidere |
IL |
|
145J TERRA NOVA TELECOM INC. |
360 |
|
2025-05-21 |
|
| 815-566
| 4 |
Belvidere |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2003-06-14 |
|
| 815-566
| 5 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2003-11-30 |
|
| 815-566
| 6 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2003-11-30 |
|
| 815-566
| 7 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2003-11-30 |
|
| 815-566
| 8 |
Belvidere |
IL |
RCFRILRTZMD |
224C ONVOY, LLC |
360 |
|
2018-07-30 |
|
| 815-566
| 9 |
Belvidere |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2004-06-04 |
|
| 815-567
| A |
Campus |
IL |
CMPSILXARS1 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-567
| 1 |
Campus |
IL |
BLTNILXDXHY |
624H ONVOY SPECTRUM, LLC |
366 |
|
2023-06-02 |
|
| 815-567
| 2 |
Campus |
IL |
BLTNILXDX1Y |
073H TELNYX LLC |
366 |
|
2020-06-14 |
|
| 815-567
| 3 |
Campus |
IL |
CMPSILXARS1 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-567
| 4 |
Campus |
IL |
BLTNILTSYMD |
495J STRATUS NETWORKS |
366 |
|
2020-10-14 |
|
| 815-567
| 5 |
Campus |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 815-567
| 6 |
Campus |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2021-04-03 |
|
| 815-567
| 7 |
Campus |
IL |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-12 |
|
| 815-567
| 8 |
Campus |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
| 815-567
| 9 |
Campus |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
| 815-568
| A |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 0 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 1 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 2 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 3 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 4 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 5 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-568
| 6 |
Marengo |
IL |
MRNGILMRRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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