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 |
| 815-667
| 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 |
|
| 815-669
| A |
McHenry |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-669
| 0 |
McHenry |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 815-669
| 1 |
McHenry |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-12-05 |
|
| 815-669
| 2 |
McHenry |
IL |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2022-05-23 |
|
| 815-669
| 4 |
McHenry |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-669
| 5 |
McHenry |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-03-15 |
|
| 815-669
| 6 |
McHenry |
IL |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2024-12-28 |
|
| 815-669
| 9 |
McHenry |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-19 |
|
| 815-670
| A |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 0 |
Rockford |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2006-09-18 |
|
| 815-670
| 1 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 2 |
Rockford |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2006-09-18 |
|
| 815-670
| 3 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 4 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 5 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 6 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 7 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 8 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-670
| 9 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
|
|
| 815-671
| A |
Joliet |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-671
| 0 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2003-06-01 |
|
| 815-671
| 1 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2003-06-01 |
|
| 815-671
| 2 |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2003-10-19 |
|
| 815-671
| 3 |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2003-10-19 |
|
| 815-671
| 4 |
Joliet |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-671
| 5 |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2003-09-24 |
|
| 815-671
| 6 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2003-09-24 |
|
| 815-671
| 7 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2003-09-24 |
|
| 815-671
| 8 |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2003-09-24 |
|
| 815-671
| 9 |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2005-01-17 |
|
| 815-672
| A |
Streator |
IL |
STRTILXADS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-673
| A |
Streator |
IL |
STRTILXADS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-673
| 0 |
Streator |
IL |
BLTNILXDXSX |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
366 |
|
2025-01-28 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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