Local Calling Guide
Area code/prefix search
NPA: 815
[Rate centres in NPA 815]
[Dial plan for NPA 815]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 815-770
| 3 |
Harvard |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-10-03 |
|
| 815-770
| 4 |
Harvard |
IL |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2012-02-01 |
|
| 815-770
| 5 |
Harvard |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-07-11 |
|
| 815-770
| 6 |
Harvard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-28 |
|
| 815-770
| 7 |
Harvard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2012-09-29 |
|
| 815-770
| 8 |
Harvard |
IL |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-08-06 |
|
| 815-770
| 9 |
Harvard |
IL |
ALTSIL011MD |
792K CHARTER IP ENABLED SERVICES, LLC |
358 |
|
2014-07-27 |
|
| 815-771
| A |
Ashkum |
IL |
CHCGIL24SMD |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
|
|
| 815-771
| 0 |
Ashkum |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-11-13 |
|
| 815-771
| 1 |
Ashkum |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-771
| 3 |
Ashkum |
IL |
CHCGIL24SMD |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
|
|
| 815-771
| 4 |
Ashkum |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-07-03 |
|
| 815-771
| 5 |
Ashkum |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-05-23 |
|
| 815-771
| 6 |
Ashkum |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-05-23 |
|
| 815-771
| 7 |
Ashkum |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-24 |
|
| 815-771
| 8 |
Ashkum |
IL |
CHCGIL24NMD |
495J STRATUS NETWORKS |
358 |
|
2020-09-17 |
|
| 815-771
| 9 |
Ashkum |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-11-13 |
|
| 815-772
| A |
Morrison |
IL |
MRSNILXADS0 |
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-773
| A |
Joliet West |
IL |
JOLTILJWDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-774
| A |
Joliet |
IL |
JOLTILJODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-775
| A |
Woodstock |
IL |
LBRDILGOAMD |
6630 SPOK, INC. |
358 |
|
|
|
| 815-776
| A |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-776
| 0 |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-776
| 1 |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-776
| 5 |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-776
| 7 |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-776
| 9 |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-777
| A |
Galena |
IL |
GALNILGADS1 |
9329 ILLINOIS BELL TEL CO |
634 |
|
|
|
| 815-778
| A |
Lyndon |
IL |
LYNDILXADS0 |
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-779
| A |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-03-24 |
|
| 815-779
| 0 |
Plainfield |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-04-11 |
|
| 815-779
| 1 |
Plainfield |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-28 |
|
| 815-779
| 2 |
Plainfield |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-04-26 |
|
| 815-779
| 3 |
Plainfield |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-07-29 |
|
| 815-779
| 4 |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-09-05 |
|
| 815-779
| 5 |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-09-05 |
|
| 815-779
| 6 |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-09-05 |
|
| 815-779
| 7 |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-03-24 |
|
| 815-779
| 8 |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-03-24 |
|
| 815-779
| 9 |
Plainfield |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2024-03-24 |
|
| 815-780
| A |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-780
| 0 |
La Salle |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2005-12-19 |
|
| 815-780
| 1 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-780
| 2 |
La Salle |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-05 |
|
| 815-780
| 3 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-780
| 4 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-780
| 5 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-780
| 6 |
La Salle |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-07-23 |
|
| 815-780
| 7 |
La Salle |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2007-08-29 |
|
| 815-780
| 8 |
La Salle |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2007-08-21 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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