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 |
| 815-664
| A |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 0 |
Spring Valley |
IL |
PEORILPJXTZ |
318J COMCAST IP PHONE, LLC |
368 |
|
2006-08-09 |
|
| 815-664
| 1 |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 2 |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 3 |
Spring Valley |
IL |
PEORILSCX0X |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
368 |
|
2002-10-17 |
|
| 815-664
| 4 |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 5 |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 6 |
Spring Valley |
IL |
|
145J TERRA NOVA TELECOM INC. |
368 |
|
2025-12-29 |
|
| 815-664
| 7 |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 8 |
Spring Valley |
IL |
PEORILPJXUZ |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
368 |
|
2006-01-23 |
|
| 815-664
| 9 |
Spring Valley |
IL |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-665
| A |
Ottawa |
IL |
CHCGILACGT0 |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
|
|
| 815-665
| 0 |
Ottawa |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-04-27 |
|
| 815-665
| 1 |
Ottawa |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-04-27 |
|
| 815-665
| 3 |
Ottawa |
IL |
CHCGILACGT0 |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
|
|
| 815-665
| 4 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-665
| 5 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-665
| 6 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-665
| 7 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-665
| 8 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 815-666
| A |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-666
| 0 |
Joliet |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2007-01-11 |
|
| 815-666
| 1 |
Joliet |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2007-01-18 |
|
| 815-666
| 2 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2007-10-12 |
|
| 815-666
| 3 |
Joliet |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2007-01-11 |
|
| 815-666
| 4 |
Joliet |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2007-01-11 |
|
| 815-666
| 5 |
Joliet |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2007-01-11 |
|
| 815-666
| 6 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-11-04 |
|
| 815-666
| 7 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-10-21 |
|
| 815-666
| 8 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-11-04 |
|
| 815-666
| 9 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2007-01-04 |
|
| 815-667
| A |
Utica |
IL |
UTICILUTRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-667
| 0 |
Utica |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-07-20 |
|
| 815-667
| 1 |
Utica |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-10 |
|
| 815-667
| 4 |
Utica |
IL |
UTICILUTRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-667
| 5 |
Utica |
IL |
UTICILUTRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-667
| 7 |
Utica |
IL |
UTICILUTRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-667
| 8 |
Utica |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-667
| 9 |
Utica |
IL |
UTICILUTRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-668
| A |
Rockford |
IL |
RCFRILRTZMD |
224C ONVOY, LLC |
360 |
|
|
|
| 815-668
| 0 |
Rockford |
IL |
RCFRILRTZMD |
224C ONVOY, LLC |
360 |
|
2009-05-17 |
|
| 815-668
| 1 |
Rockford |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2010-03-22 |
|
| 815-668
| 2 |
Rockford |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2010-06-01 |
|
| 815-668
| 3 |
Rockford |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2010-09-03 |
|
| 815-668
| 4 |
Rockford |
IL |
RCFRILRTXOY |
829J PAETEC ITEL, LLC |
360 |
|
2009-11-03 |
|
| 815-668
| 5 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
2010-08-12 |
|
| 815-668
| 6 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
2010-08-12 |
|
| 815-668
| 7 |
Rockford |
IL |
RCFRILRTXOY |
829J PAETEC ITEL, LLC |
360 |
|
2010-09-19 |
|
| 815-668
| 8 |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2010-09-24 |
|
| 815-668
| 9 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
2010-09-30 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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