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 |
| 815-918
| 7 |
Clifton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-04-01 |
|
| 815-918
| 8 |
Clifton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-08-24 |
|
| 815-918
| 9 |
Clifton |
IL |
CHCGIL245MD |
073H TELNYX LLC |
358 |
|
2020-06-26 |
|
| 815-919
| A |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 815-920
| A |
Cornell |
IL |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
|
|
| 815-920
| 0 |
Cornell |
IL |
|
145J TERRA NOVA TELECOM INC. |
366 |
|
2025-05-27 |
|
| 815-920
| 9 |
Cornell |
IL |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-06 |
|
| 815-921
| A |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 0 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 1 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 2 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 3 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 4 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 6 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 8 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-921
| 9 |
Rockford |
IL |
LVPKILRNDS0 |
9329 ILLINOIS BELL TEL CO |
360 |
|
|
|
| 815-922
| A |
Kankakee |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-923
| A |
Union |
IL |
UNINILUNRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-923
| 0 |
Union |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-09-28 |
|
| 815-923
| 1 |
Union |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-03-05 |
|
| 815-923
| 2 |
Union |
IL |
UNINILUNRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-923
| 3 |
Union |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2012-09-30 |
|
| 815-923
| 4 |
Union |
IL |
UNINILUNRS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 815-923
| 5 |
Union |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-09-28 |
|
| 815-923
| 6 |
Union |
IL |
CHCGILDT8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2014-02-25 |
|
| 815-923
| 7 |
Union |
IL |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2023-11-13 |
|
| 815-923
| 8 |
Union |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-04-27 |
|
| 815-923
| 9 |
Union |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-04-27 |
|
| 815-924
| A |
Prophetstown |
IL |
LNRKILXA3MD |
443F AERO NORTH COMMUNICATIONS, INC. - IL |
364 |
|
|
|
| 815-925
| A |
Hennepin |
IL |
HNPNILXBRS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-925
| 1 |
Hennepin |
IL |
PEORILPJXRZ |
495J STRATUS NETWORKS |
368 |
|
2020-08-02 |
|
| 815-925
| 2 |
Hennepin |
IL |
HNPNILXBRS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-925
| 3 |
Hennepin |
IL |
KEWNILXDYMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
368 |
|
2010-04-15 |
|
| 815-925
| 5 |
Hennepin |
IL |
PRTNILXA8MD |
624H ONVOY SPECTRUM, LLC |
368 |
|
2024-12-02 |
|
| 815-925
| 6 |
Hennepin |
IL |
PEORILPJX1Z |
508J CENTURYLINK COMMUNICATIONS, LLC |
368 |
|
2016-08-03 |
|
| 815-925
| 7 |
Hennepin |
IL |
HNPNILXBRS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-925
| 8 |
Hennepin |
IL |
|
145J TERRA NOVA TELECOM INC. |
368 |
|
2025-12-15 |
|
| 815-925
| 9 |
Hennepin |
IL |
HNPNILXBRS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-926
| A |
Wilmington |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-926
| 0 |
Wilmington |
IL |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-08-07 |
|
| 815-926
| 1 |
Wilmington |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-04-26 |
|
| 815-926
| 2 |
Wilmington |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2005-07-01 |
|
| 815-926
| 3 |
Wilmington |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-02-20 |
|
| 815-926
| 4 |
Wilmington |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2003-07-07 |
|
| 815-926
| 5 |
Wilmington |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-926
| 8 |
Wilmington |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2015-09-12 |
|
| 815-926
| 9 |
Wilmington |
IL |
|
224C ONVOY, LLC |
358 |
|
2026-02-26 |
|
| 815-927
| A |
Joliet |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-927
| 0 |
Joliet |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-927
| 1 |
Joliet |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-12-07 |
|
<< 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 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.