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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 815-981
| 4 |
De Kalb |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2002-11-29 |
|
| 815-981
| 5 |
De Kalb |
IL |
DKLBILRSDMD |
6529 T-MOBILE USA, INC. |
364 |
|
2012-09-01 |
|
| 815-981
| 6 |
De Kalb |
IL |
DKLBILXAXBX |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
364 |
|
2014-01-10 |
|
| 815-981
| 7 |
De Kalb |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2019-08-04 |
|
| 815-981
| 8 |
De Kalb |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2005-04-15 |
|
| 815-981
| 9 |
De Kalb |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2005-04-15 |
|
| 815-982
| A |
Tampico |
IL |
DKLBILXAQMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
|
|
| 815-982
| 0 |
Tampico |
IL |
DKLBILXAQMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
2017-09-23 |
|
| 815-982
| 1 |
Tampico |
IL |
DIXNILXA3MD |
073H TELNYX LLC |
364 |
|
2020-07-20 |
|
| 815-982
| 2 |
Tampico |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2018-10-01 |
|
| 815-982
| 3 |
Tampico |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2019-09-07 |
|
| 815-982
| 4 |
Tampico |
IL |
DKLBILXAXEX |
624H ONVOY SPECTRUM, LLC |
364 |
|
2023-07-07 |
|
| 815-982
| 5 |
Tampico |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2021-04-03 |
|
| 815-982
| 6 |
Tampico |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2021-08-12 |
|
| 815-982
| 8 |
Tampico |
IL |
CHCGIL24XMD |
495J STRATUS NETWORKS |
364 |
|
2020-10-14 |
|
| 815-983
| A |
Rockford |
IL |
RCFRILRTXBX |
9748 AMERICAN MESSAGING SERVICES, LLC |
360 |
|
|
|
| 815-984
| A |
Wellington |
IL |
WGTNILXARS0 |
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
358 |
|
|
|
| 815-984
| 0 |
Wellington |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-08-22 |
|
| 815-984
| 1 |
Wellington |
IL |
CHCGIL245MD |
073H TELNYX LLC |
358 |
|
2020-07-20 |
|
| 815-984
| 2 |
Wellington |
IL |
CHCGILDT8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2015-06-25 |
|
| 815-984
| 3 |
Wellington |
IL |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2025-05-21 |
|
| 815-984
| 4 |
Wellington |
IL |
WGTNILXARS0 |
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
358 |
|
|
|
| 815-984
| 5 |
Wellington |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-24 |
|
| 815-984
| 7 |
Wellington |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2017-07-23 |
|
| 815-984
| 9 |
Wellington |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-985
| A |
Rockford |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
| 815-986
| A |
Rockford |
IL |
RCFRILRTXOY |
829J PAETEC ITEL, LLC |
360 |
|
2024-12-10 |
|
| 815-987
| A |
Rockford |
IL |
RCFRILRTDS1 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-988
| A |
Rockford |
IL |
RCFRILRTXGY |
6265 UNITED STATES CELLULAR - IL |
360 |
|
|
|
| 815-989
| A |
Prophetstown |
IL |
DKLBILXAQMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
|
|
| 815-989
| 0 |
Prophetstown |
IL |
DIXNILXA3MD |
073H TELNYX LLC |
364 |
|
2020-07-19 |
|
| 815-989
| 1 |
Prophetstown |
IL |
DKLBILXAXCX |
495J STRATUS NETWORKS |
364 |
|
2020-12-20 |
|
| 815-989
| 2 |
Prophetstown |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2019-09-07 |
|
| 815-989
| 3 |
Prophetstown |
IL |
DKLBILRS0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2022-04-17 |
|
| 815-989
| 4 |
Prophetstown |
IL |
DKLBILXAXEX |
624H ONVOY SPECTRUM, LLC |
364 |
|
2023-07-06 |
|
| 815-989
| 5 |
Prophetstown |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2018-10-01 |
|
| 815-989
| 6 |
Prophetstown |
IL |
DKLBILXAQMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
2010-04-15 |
|
| 815-989
| 7 |
Prophetstown |
IL |
DIXNILXAEMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
364 |
|
2014-08-08 |
|
| 815-989
| 8 |
Prophetstown |
IL |
DKLBILRSMMD |
259E YMAX COMMUNICATIONS CORP. - IL |
364 |
|
2011-04-06 |
|
| 815-989
| 9 |
Prophetstown |
IL |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
2021-04-03 |
|
| 815-990
| A |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
| 815-990
| 0 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
| 815-990
| 1 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
| 815-990
| 2 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
| 815-990
| 3 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
| 815-990
| 4 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2013-12-15 |
|
| 815-990
| 5 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2007-03-10 |
|
| 815-990
| 6 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2007-09-08 |
|
| 815-990
| 7 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2008-10-06 |
|
| 815-990
| 8 |
Freeport |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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