Local Calling Guide
Area code/prefix search
Heyworth, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 309-473
| A |
HYWOILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-473
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
366 |
|
2025-05-14 |
|
| 309-473
| 1 |
|
495J STRATUS NETWORKS |
366 |
|
2021-03-31 |
|
| 309-473
| 2 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-473
| 3 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-473
| 5 |
|
939H COMMIO, LLC |
366 |
|
2022-11-07 |
|
| 309-473
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2004-07-17 |
|
| 309-473
| 9 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-498
| A |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
|
|
| 309-498
| 0 |
|
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
| 309-498
| 1 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-15 |
|
| 309-498
| 2 |
|
624H ONVOY SPECTRUM, LLC |
366 |
|
2023-06-02 |
|
| 309-498
| 3 |
|
073H TELNYX LLC |
366 |
|
2020-07-10 |
|
| 309-498
| 4 |
|
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 309-498
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
366 |
|
2019-03-25 |
|
| 309-498
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
366 |
|
2018-05-28 |
|
| 309-498
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-12 |
|
| 309-498
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
366 |
|
2015-06-27 |
|
| 309-498
| 9 |
|
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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