Local Calling Guide
Area code/prefix search
Millstadt, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 618-400
| A |
STLSMOWQDS2 |
224C ONVOY, LLC |
520 |
|
|
|
| 618-400
| 0 |
|
224C ONVOY, LLC |
520 |
|
2018-02-04 |
|
| 618-400
| 1 |
|
073H TELNYX LLC |
520 |
|
2020-07-16 |
|
| 618-400
| 2 |
|
224C ONVOY, LLC |
520 |
|
2021-04-24 |
|
| 618-400
| 3 |
|
624H ONVOY SPECTRUM, LLC |
520 |
|
2025-01-04 |
|
| 618-400
| 4 |
|
224C ONVOY, LLC |
520 |
|
2019-07-29 |
|
| 618-400
| 5 |
|
224C ONVOY, LLC |
520 |
|
2019-07-29 |
|
| 618-400
| 6 |
|
224C ONVOY, LLC |
520 |
|
2021-04-24 |
|
| 618-400
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
520 |
|
2016-01-22 |
|
| 618-400
| 8 |
|
495J STRATUS NETWORKS |
520 |
|
2020-11-22 |
|
| 618-400
| 9 |
|
075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL |
520 |
|
2021-02-28 |
|
| 618-476
| A |
MLSTILXERS0 |
1036 FRONTIER NORTH, INC. - IL |
520 |
|
|
|
| 618-476
| 0 |
|
224C ONVOY, LLC |
520 |
|
2023-09-11 |
|
| 618-476
| 1 |
|
1036 FRONTIER NORTH, INC. - IL |
520 |
|
|
|
| 618-476
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
520 |
|
2009-03-12 |
|
| 618-476
| 3 |
|
1036 FRONTIER NORTH, INC. - IL |
520 |
|
|
|
| 618-476
| 5 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
520 |
|
2005-03-10 |
|
| 618-476
| 6 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
520 |
|
2007-12-16 |
|
| 618-476
| 7 |
|
1036 FRONTIER NORTH, INC. - IL |
520 |
|
|
|
| 618-476
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
520 |
|
2020-04-19 |
|
| 618-476
| 9 |
|
1036 FRONTIER NORTH, INC. - IL |
520 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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