Local Calling Guide
Area code/prefix search
Lanark, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-266
| A |
DIXNILXA3MD |
073H TELNYX LLC |
364 |
|
|
|
| 779-266
| 0 |
|
495J STRATUS NETWORKS |
364 |
|
2020-10-14 |
|
| 779-266
| 1 |
|
073H TELNYX LLC |
364 |
|
2020-01-30 |
|
| 779-266
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2021-08-22 |
|
| 779-266
| 3 |
|
624H ONVOY SPECTRUM, LLC |
364 |
|
2023-07-06 |
|
| 779-266
| 9 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
364 |
|
2025-09-07 |
|
| 779-271
| A |
DKLBILXAY0X |
425J CSC WIRELESS, LLC |
364 |
|
|
|
| 779-271
| 1 |
|
224C ONVOY, LLC |
364 |
|
2021-02-12 |
|
| 779-271
| 2 |
|
425J CSC WIRELESS, LLC |
364 |
|
2020-06-20 |
|
| 815-493
| A |
LNRKILXADS0 |
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-493
| 0 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-493
| 1 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-493
| 2 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-493
| 3 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
2010-04-09 |
|
| 815-493
| 4 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
364 |
|
2014-08-08 |
|
| 815-493
| 5 |
|
259E YMAX COMMUNICATIONS CORP. - IL |
364 |
|
2011-04-06 |
|
| 815-493
| 6 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-493
| 7 |
|
259E YMAX COMMUNICATIONS CORP. - IL |
364 |
|
2011-04-06 |
|
| 815-493
| 8 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-493
| 9 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
364 |
|
|
|
| 815-551
| A |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
|
|
| 815-551
| 0 |
|
224C ONVOY, LLC |
364 |
|
2019-05-11 |
|
| 815-551
| 1 |
|
224C ONVOY, LLC |
364 |
|
2023-02-11 |
|
| 815-551
| 2 |
|
224C ONVOY, LLC |
364 |
|
2019-09-07 |
|
| 815-551
| 5 |
|
224C ONVOY, LLC |
364 |
|
2018-10-01 |
|
| 815-551
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
364 |
|
2019-10-31 |
|
| 815-952
| A |
LNRKILXA3MD |
443F AERO NORTH COMMUNICATIONS, INC. - IL |
364 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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