Local Calling Guide
Area code/prefix search
Round Lake, IL
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 224-933
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-02-11 |
|
| 224-933
| 3 |
|
965H FRACTEL, LLC |
358 |
|
2019-12-10 |
|
| 224-933
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-02-11 |
|
| 224-933
| 5 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2024-09-27 |
|
| 224-933
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2021-08-02 |
|
| 224-933
| 7 |
|
515J IP HORIZON LLC |
358 |
|
2021-06-21 |
|
| 224-933
| 8 |
|
495J STRATUS NETWORKS |
358 |
|
2020-10-10 |
|
| 224-933
| 9 |
|
224C ONVOY, LLC |
358 |
|
2023-08-12 |
|
| 847-201
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 847-201
| 0 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
1998-12-07 |
|
| 847-201
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-02-07 |
|
| 847-201
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 847-201
| 3 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-11-20 |
|
| 847-201
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2003-08-18 |
|
| 847-201
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2003-08-30 |
|
| 847-201
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-02-07 |
|
| 847-201
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-02-07 |
|
| 847-201
| 9 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2000-11-14 |
|
| 847-270
| A |
RNLKILRLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 1 |
|
829J PAETEC ITEL, LLC |
358 |
|
2009-11-06 |
|
| 847-270
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 3 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-270
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2001-08-10 |
|
| 847-270
| 8 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2004-05-29 |
|
| 847-270
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-546
| A |
RNLKILRLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-740
| A |
RNLKILRLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 847-886
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 847-886
| 0 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2010-06-24 |
|
| 847-886
| 1 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-04-30 |
|
| 847-886
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-18 |
|
| 847-886
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-10-01 |
|
| 847-886
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-15 |
|
| 847-886
| 5 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-01-28 |
|
| 847-886
| 6 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-04-15 |
|
| 847-886
| 7 |
|
516C AT&T CORP. |
358 |
|
2006-05-02 |
|
| 847-886
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-11 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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