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 |
| 815-310
| 3 |
Utica |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-07-30 |
|
| 815-310
| 5 |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-12-28 |
|
| 815-310
| 6 |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-11 |
|
| 815-310
| 8 |
Utica |
IL |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-08-07 |
|
| 815-310
| 9 |
Utica |
IL |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2023-04-26 |
|
| 815-312
| A |
Rockford |
IL |
RCFRILRTZMD |
224C ONVOY, LLC |
360 |
|
2024-12-29 |
|
| 815-312
| 0 |
Rockford |
IL |
|
224C ONVOY, LLC |
360 |
|
2009-01-29 |
|
| 815-312
| 1 |
Rockford |
IL |
|
6265 UNITED STATES CELLULAR - IL |
360 |
|
2026-01-21 |
|
| 815-312
| 2 |
Rockford |
IL |
|
6265 UNITED STATES CELLULAR - IL |
360 |
|
2026-01-21 |
|
| 815-312
| 3 |
Rockford |
IL |
|
6265 UNITED STATES CELLULAR - IL |
360 |
|
2026-01-21 |
|
| 815-312
| 4 |
Rockford |
IL |
|
6265 UNITED STATES CELLULAR - IL |
360 |
|
2026-01-21 |
|
| 815-312
| 5 |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2009-08-29 |
|
| 815-312
| 6 |
Rockford |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2010-02-27 |
|
| 815-312
| 7 |
Rockford |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2010-02-27 |
|
| 815-312
| 8 |
Rockford |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2010-05-28 |
|
| 815-312
| 9 |
Rockford |
IL |
|
6265 UNITED STATES CELLULAR - IL |
360 |
|
2026-01-21 |
|
| 815-313
| A |
Ottawa |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-313
| 0 |
Ottawa |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-08-21 |
|
| 815-313
| 2 |
Ottawa |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2004-05-29 |
|
| 815-313
| 3 |
Ottawa |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-02-20 |
|
| 815-313
| 4 |
Ottawa |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-09-04 |
|
| 815-313
| 5 |
Ottawa |
IL |
JOLTILJOPMD |
593K MCC TELEPHONY LLC |
358 |
|
2005-07-15 |
|
| 815-313
| 8 |
Ottawa |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-04-21 |
|
| 815-313
| 9 |
Ottawa |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2011-04-09 |
|
| 815-314
| A |
Manhattan |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-314
| 0 |
Manhattan |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 815-314
| 1 |
Manhattan |
IL |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-08-06 |
|
| 815-314
| 2 |
Manhattan |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-02-20 |
|
| 815-314
| 4 |
Manhattan |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-05-25 |
|
| 815-314
| 5 |
Manhattan |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-11-20 |
|
| 815-314
| 6 |
Manhattan |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-10 |
|
| 815-314
| 7 |
Manhattan |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-314
| 8 |
Manhattan |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2010-03-29 |
|
| 815-314
| 9 |
Manhattan |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-07-20 |
|
| 815-315
| A |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
|
|
| 815-315
| 0 |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
|
|
| 815-315
| 1 |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2005-01-17 |
|
| 815-315
| 2 |
Rockford |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2006-08-07 |
|
| 815-315
| 3 |
Rockford |
IL |
RCFRILRTTMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
360 |
|
2006-06-29 |
|
| 815-315
| 4 |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
2003-06-14 |
|
| 815-315
| 5 |
Rockford |
IL |
RCFRILRCMMD |
6529 T-MOBILE USA, INC. |
360 |
|
2004-11-22 |
|
| 815-315
| 6 |
Rockford |
IL |
RCFRILRTDS1 |
9329 ILLINOIS BELL TEL CO |
360 |
|
2005-08-11 |
|
| 815-315
| 7 |
Rockford |
IL |
RCFRILRTX5Y |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
360 |
|
2006-08-07 |
|
| 815-315
| 8 |
Rockford |
IL |
RCFRILRTZMD |
224C ONVOY, LLC |
360 |
|
2010-11-10 |
|
| 815-315
| 9 |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
|
|
| 815-316
| A |
Rockford |
IL |
RCFRILRCJMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
360 |
|
|
|
| 815-317
| A |
Crescent City |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-317
| 0 |
Crescent City |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-06-24 |
|
| 815-317
| 1 |
Crescent City |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-07-13 |
|
| 815-317
| 2 |
Crescent City |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-03-19 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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