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 |
| 815-635
| 1 |
Chatsworth |
IL |
CHWOILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-635
| 3 |
Chatsworth |
IL |
CHWOILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-635
| 4 |
Chatsworth |
IL |
CHWOILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 815-635
| 5 |
Chatsworth |
IL |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-15 |
|
| 815-635
| 6 |
Chatsworth |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 815-635
| 7 |
Chatsworth |
IL |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-12 |
|
| 815-635
| 8 |
Chatsworth |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
| 815-635
| 9 |
Chatsworth |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-15 |
|
| 815-636
| A |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-637
| A |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-638
| A |
La Moille |
IL |
LAMLILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-638
| 1 |
La Moille |
IL |
LAMLILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-638
| 2 |
La Moille |
IL |
LAMLILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-638
| 3 |
La Moille |
IL |
LAMLILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-638
| 7 |
La Moille |
IL |
PEORILPJDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
368 |
|
2018-10-29 |
|
| 815-638
| 8 |
La Moille |
IL |
PEORILPJXTZ |
318J COMCAST IP PHONE, LLC |
368 |
|
2007-09-23 |
|
| 815-638
| 9 |
La Moille |
IL |
|
145J TERRA NOVA TELECOM INC. |
368 |
|
2025-06-06 |
|
| 815-639
| A |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-640
| A |
Ottawa |
IL |
LSLEILAADS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 815-640
| 0 |
Ottawa |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2021-10-30 |
|
| 815-640
| 1 |
Ottawa |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-04-29 |
|
| 815-640
| 2 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 815-640
| 3 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 815-640
| 4 |
Ottawa |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-01-24 |
|
| 815-640
| 5 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 815-640
| 6 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 815-640
| 7 |
Ottawa |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 815-640
| 8 |
Ottawa |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2019-10-21 |
|
| 815-640
| 9 |
Ottawa |
IL |
LSLEILAADS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 815-641
| A |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-641
| 0 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2008-10-13 |
|
| 815-641
| 1 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-05-18 |
|
| 815-641
| 2 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-05-18 |
|
| 815-641
| 3 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-05-18 |
|
| 815-641
| 4 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-07-09 |
|
| 815-641
| 5 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2008-12-08 |
|
| 815-641
| 6 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2008-06-08 |
|
| 815-641
| 7 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2008-03-13 |
|
| 815-641
| 8 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2008-04-18 |
|
| 815-641
| 9 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-08-12 |
|
| 815-642
| A |
Minooka |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-642
| 0 |
Minooka |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-642
| 1 |
Minooka |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-642
| 2 |
Minooka |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 815-642
| 3 |
Minooka |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-28 |
|
| 815-642
| 4 |
Minooka |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-642
| 5 |
Minooka |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2005-08-26 |
|
| 815-642
| 6 |
Minooka |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-11-28 |
|
| 815-642
| 7 |
Minooka |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2004-09-24 |
|
| 815-642
| 8 |
Minooka |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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