Local Calling Guide
Area code/prefix search
Sandwich, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-209
| A |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
|
|
| 779-209
| 0 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 1 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 2 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 3 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 4 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 5 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 6 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 7 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 8 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-209
| 9 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 779-706
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 779-706
| 0 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2015-04-25 |
|
| 779-706
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-08-20 |
|
| 779-706
| 2 |
|
224C ONVOY, LLC |
358 |
|
2019-03-01 |
|
| 779-706
| 3 |
|
224C ONVOY, LLC |
358 |
|
2019-09-06 |
|
| 779-706
| 4 |
|
224C ONVOY, LLC |
358 |
|
2019-09-06 |
|
| 779-706
| 5 |
|
490J DISH WIRELESS, LLC |
358 |
|
2023-05-25 |
|
| 779-706
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2015-06-25 |
|
| 779-706
| 8 |
|
495J STRATUS NETWORKS |
358 |
|
2020-09-26 |
|
| 779-706
| 9 |
|
073H TELNYX LLC |
358 |
|
2020-07-19 |
|
| 779-931
| A |
SNDWILXAPS0 |
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 779-931
| 0 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-09-16 |
|
| 779-931
| 1 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-28 |
|
| 779-931
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2025-03-30 |
|
| 779-931
| 8 |
|
224C ONVOY, LLC |
358 |
|
2024-05-11 |
|
| 779-931
| 9 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
2016-12-26 |
|
| 779-978
| A |
CHCGILWBXJZ |
6265 UNITED STATES CELLULAR - IL |
358 |
|
|
|
| 779-978
| 0 |
|
6265 UNITED STATES CELLULAR - IL |
358 |
|
2015-08-01 |
|
| 779-978
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2025-02-10 |
|
| 779-978
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2022-02-16 |
|
| 779-978
| 7 |
|
224C ONVOY, LLC |
358 |
|
2019-08-24 |
|
| 779-978
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2025-02-10 |
|
| 815-570
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 815-570
| 0 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-10-25 |
|
| 815-570
| 1 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2010-06-20 |
|
| 815-570
| 2 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2005-10-07 |
|
| 815-570
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-06-24 |
|
| 815-570
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-10-14 |
|
| 815-570
| 5 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-16 |
|
| 815-570
| 6 |
|
145J TERRA NOVA TELECOM INC. |
358 |
|
2025-05-21 |
|
| 815-570
| 7 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2013-06-24 |
|
| 815-570
| 8 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2004-02-07 |
|
| 815-570
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2008-12-12 |
|
| 815-786
| A |
SNDWILXADS0 |
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 0 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2015-01-23 |
|
| 815-786
| 1 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 2 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 3 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 4 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-786
| 5 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 815-786
| 6 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 7 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 8 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
| 815-786
| 9 |
|
1015 FRONTIER NORTH, INC. - IL |
358 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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