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 |
| 815-407
| 6 |
Romeoville |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-02 |
|
| 815-407
| 7 |
Romeoville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-19 |
|
| 815-407
| 8 |
Romeoville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2010-05-15 |
|
| 815-407
| 9 |
Romeoville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-11-18 |
|
| 815-408
| A |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 815-408
| 0 |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-01-13 |
|
| 815-408
| 1 |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-05 |
|
| 815-408
| 2 |
Utica |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-09-27 |
|
| 815-408
| 3 |
Utica |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-09-27 |
|
| 815-408
| 5 |
Utica |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2006-08-09 |
|
| 815-408
| 6 |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-11 |
|
| 815-408
| 7 |
Utica |
IL |
CHCGILDT8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2014-02-25 |
|
| 815-408
| 9 |
Utica |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-17 |
|
| 815-409
| A |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-409
| 0 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2005-10-09 |
|
| 815-409
| 1 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2005-10-09 |
|
| 815-409
| 2 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2005-10-09 |
|
| 815-409
| 3 |
Joliet |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2005-10-10 |
|
| 815-409
| 4 |
Joliet |
IL |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2006-01-27 |
|
| 815-409
| 5 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-01-30 |
|
| 815-409
| 6 |
Joliet |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2006-01-30 |
|
| 815-409
| 7 |
Joliet |
IL |
CHCGILCLXOX |
516C AT&T CORP. |
358 |
|
2005-10-10 |
|
| 815-409
| 8 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2006-03-26 |
|
| 815-409
| 9 |
Joliet |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2006-01-13 |
|
| 815-410
| A |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-410
| 0 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-410
| 1 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-410
| 2 |
La Salle |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2003-07-07 |
|
| 815-410
| 3 |
La Salle |
IL |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2004-05-29 |
|
| 815-410
| 4 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-09-04 |
|
| 815-410
| 5 |
La Salle |
IL |
CHCGILCLXOX |
516C AT&T CORP. |
358 |
|
2011-06-01 |
|
| 815-410
| 6 |
La Salle |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-11-22 |
|
| 815-410
| 7 |
La Salle |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2005-03-19 |
|
| 815-410
| 8 |
La Salle |
IL |
LSLEILAADS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2005-05-09 |
|
| 815-410
| 9 |
La Salle |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-412
| A |
Frankfort |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-412
| 0 |
Frankfort |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-03-02 |
|
| 815-412
| 1 |
Frankfort |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-06 |
|
| 815-412
| 2 |
Frankfort |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-412
| 3 |
Frankfort |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2007-05-29 |
|
| 815-412
| 4 |
Frankfort |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2004-12-04 |
|
| 815-412
| 5 |
Frankfort |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-05-05 |
|
| 815-412
| 6 |
Frankfort |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-11-25 |
|
| 815-412
| 7 |
Frankfort |
IL |
|
515J IP HORIZON LLC |
358 |
|
2021-06-29 |
|
| 815-412
| 8 |
Frankfort |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-12-01 |
|
| 815-412
| 9 |
Frankfort |
IL |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2022-07-07 |
|
| 815-413
| A |
Morris |
IL |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
|
|
| 815-414
| A |
Earlville |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 815-414
| 0 |
Earlville |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2004-12-05 |
|
| 815-414
| 1 |
Earlville |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2004-12-05 |
|
<< 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 >>
Last updated: Thu, 16 Jul 2026 02:21:55 UTC
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.