Local Calling Guide
Area code/prefix search
Crystal Lake, IL
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 815-404
| 6 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 815-404
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2003-12-31 |
|
| 815-404
| 8 |
|
5562 METROPCS, INC. |
358 |
|
2003-10-12 |
|
| 815-404
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-425
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-444
| A |
CRLKILCKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-455
| A |
CRLKILCKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-459
| A |
CRLKILCKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-477
| A |
CRLKILCKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| A |
CRLKILCKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 3 |
|
224C ONVOY, LLC |
358 |
|
2019-07-07 |
|
| 815-479
| 4 |
|
224C ONVOY, LLC |
358 |
|
2019-07-07 |
|
| 815-479
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-479
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-526
| A |
CHCGILCLDS7 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 815-526
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-11-27 |
|
| 815-526
| 1 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2011-01-01 |
|
| 815-526
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2005-07-17 |
|
| 815-526
| 3 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2010-05-14 |
|
| 815-526
| 4 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 815-526
| 5 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-01-27 |
|
| 815-526
| 7 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2005-08-11 |
|
| 815-526
| 8 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2005-08-11 |
|
| 815-788
| A |
CRLKILCKDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 3 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-02-11 |
|
| 815-788
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-05-12 |
|
| 815-788
| 7 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-788
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-893
| A |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
|
|
| 815-893
| 0 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2005-03-04 |
|
| 815-893
| 1 |
|
829J PAETEC ITEL, LLC |
358 |
|
2009-11-06 |
|
| 815-893
| 2 |
|
224C ONVOY, LLC |
358 |
|
2019-07-07 |
|
| 815-893
| 3 |
|
224C ONVOY, LLC |
358 |
|
2019-07-07 |
|
| 815-893
| 4 |
|
516C AT&T CORP. |
358 |
|
2006-05-02 |
|
| 815-893
| 5 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-06-16 |
|
| 815-893
| 6 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2007-02-04 |
|
| 815-893
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-02 |
|
| 815-893
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-02 |
|
| 815-893
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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