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 |
| 815-552
| 0 |
Lockport |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-08-12 |
|
| 815-552
| 1 |
Lockport |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2012-10-01 |
|
| 815-552
| 2 |
Lockport |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2011-12-06 |
|
| 815-552
| 3 |
Lockport |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2013-10-25 |
|
| 815-552
| 4 |
Lockport |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2010-02-19 |
|
| 815-552
| 5 |
Lockport |
IL |
LCPTILLPDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-552
| 6 |
Lockport |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2014-05-04 |
|
| 815-552
| 7 |
Lockport |
IL |
CHCGILDT8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2013-06-28 |
|
| 815-552
| 8 |
Lockport |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-05-15 |
|
| 815-552
| 9 |
Lockport |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-09-01 |
|
| 815-553
| A |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 815-553
| 0 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 1 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 2 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 3 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 4 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 5 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 6 |
Joliet |
IL |
|
046L CLEAR RATE COMMUNICATIONS, LLC |
358 |
|
2012-07-02 |
|
| 815-553
| 7 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 8 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-553
| 9 |
Joliet |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 815-554
| A |
East Dubuque |
IL |
RCISILRIWMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
634 |
|
|
|
| 815-554
| 0 |
East Dubuque |
IL |
DVNPIA80XUX |
490J BOOST SUBSCRIBERCO L.L.C. |
634 |
|
2023-06-19 |
|
| 815-554
| 1 |
East Dubuque |
IL |
HMPNILXDAMD |
495J STRATUS NETWORKS |
634 |
|
2020-12-20 |
|
| 815-554
| 2 |
East Dubuque |
IL |
DVNPIADTXQX |
224C ONVOY, LLC |
634 |
|
2021-07-05 |
|
| 815-554
| 4 |
East Dubuque |
IL |
DVNPIADTXQX |
224C ONVOY, LLC |
634 |
|
2021-04-05 |
|
| 815-554
| 5 |
East Dubuque |
IL |
DVNPIADTXQX |
224C ONVOY, LLC |
634 |
|
2020-04-29 |
|
| 815-554
| 6 |
East Dubuque |
IL |
RCISILRIWMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
634 |
|
2010-04-15 |
|
| 815-554
| 7 |
East Dubuque |
IL |
RCISILRIX0X |
508J CENTURYLINK COMMUNICATIONS, LLC |
634 |
|
2016-10-12 |
|
| 815-554
| 8 |
East Dubuque |
IL |
RCISILRIXMD |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
634 |
|
2022-01-14 |
|
| 815-554
| 9 |
East Dubuque |
IL |
RCISILFP0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
634 |
|
2022-02-24 |
|
| 815-556
| A |
Plainfield |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-556
| 0 |
Plainfield |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-556
| 1 |
Plainfield |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-04-27 |
|
| 815-556
| 2 |
Plainfield |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-09-10 |
|
| 815-556
| 3 |
Plainfield |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2011-04-01 |
|
| 815-556
| 4 |
Plainfield |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-03-19 |
|
| 815-556
| 5 |
Plainfield |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-03 |
|
| 815-556
| 6 |
Plainfield |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2010-05-15 |
|
| 815-556
| 7 |
Plainfield |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2007-09-13 |
|
| 815-556
| 8 |
Plainfield |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2006-07-15 |
|
| 815-556
| 9 |
Plainfield |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 815-557
| A |
Joliet |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 815-557
| 0 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-557
| 1 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-557
| 2 |
Joliet |
IL |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2004-09-18 |
|
| 815-557
| 3 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-557
| 4 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-557
| 5 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-557
| 6 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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