Local Calling Guide
Area code/prefix search
Potomac, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 217-987
| A |
PTMCILXCRS0 |
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
370 |
|
|
|
| 217-987
| 1 |
|
073H TELNYX LLC |
370 |
|
2020-07-19 |
|
| 217-987
| 2 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
370 |
|
2015-10-30 |
|
| 217-987
| 3 |
|
224C ONVOY, LLC |
370 |
|
2018-08-25 |
|
| 217-987
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
370 |
|
2012-09-23 |
|
| 217-987
| 5 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
370 |
|
|
|
| 217-987
| 6 |
|
1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL |
370 |
|
|
|
| 217-987
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
370 |
|
2016-06-16 |
|
| 217-987
| 8 |
|
224C ONVOY, LLC |
370 |
|
2019-07-05 |
|
| 217-987
| 9 |
|
224C ONVOY, LLC |
370 |
|
2019-07-05 |
|
| 447-677
| A |
CHMPILCPOMD |
224C ONVOY, LLC |
370 |
|
|
|
| 447-677
| 0 |
|
624H ONVOY SPECTRUM, LLC |
370 |
|
2024-05-17 |
|
| 447-677
| 6 |
|
224C ONVOY, LLC |
370 |
|
2021-06-17 |
|
| 447-677
| 7 |
|
145J TERRA NOVA TELECOM INC. |
370 |
|
2025-05-27 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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