Local Calling Guide
Area code/prefix search
Casey, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 217-609
| A |
MTONILXCZMD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
976 |
|
|
|
| 217-609
| 0 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
976 |
|
2010-08-14 |
|
| 217-609
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
976 |
|
2016-03-31 |
|
| 217-609
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
976 |
|
2021-11-08 |
|
| 217-609
| 6 |
|
224C ONVOY, LLC |
976 |
|
2021-07-05 |
|
| 217-609
| 9 |
|
224C ONVOY, LLC |
976 |
|
2021-04-09 |
|
| 217-780
| A |
CASYILXCPS0 |
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
| 217-780
| 0 |
|
145J TERRA NOVA TELECOM INC. |
976 |
|
2025-08-02 |
|
| 217-780
| 1 |
|
073H TELNYX LLC |
976 |
|
2022-12-22 |
|
| 217-780
| 7 |
|
224C ONVOY, LLC |
976 |
|
2020-11-13 |
|
| 217-780
| 9 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
2016-12-26 |
|
| 217-932
| A |
CASYILXCDS0 |
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
| 217-932
| 2 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
| 217-932
| 3 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
976 |
|
2004-03-08 |
|
| 217-932
| 4 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
| 217-932
| 5 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
| 217-932
| 6 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
| 217-932
| 9 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
976 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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