Local Calling Guide
Area code/prefix search
Altenburg-Frohna, MO
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 573-509
| A |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
|
|
| 573-509
| 0 |
|
093F ONVOY, LLC - MO |
520 |
|
2016-10-19 |
|
| 573-509
| 1 |
|
515J IP HORIZON LLC |
520 |
|
2023-12-29 |
|
| 573-509
| 2 |
|
093F ONVOY, LLC - MO |
520 |
|
2017-12-10 |
|
| 573-509
| 3 |
|
073H TELNYX LLC |
520 |
|
2018-12-01 |
|
| 573-509
| 4 |
|
515J IP HORIZON LLC |
520 |
|
2023-12-29 |
|
| 573-509
| 5 |
|
093F ONVOY, LLC - MO |
520 |
|
2021-07-24 |
|
| 573-509
| 9 |
|
624H ONVOY SPECTRUM, LLC |
520 |
|
2025-01-12 |
|
| 573-824
| A |
FRHNMOTARSK |
9533 SOUTHWESTERN BELL |
520 |
|
|
|
| 573-824
| 0 |
|
515J IP HORIZON LLC |
520 |
|
2013-12-19 |
|
| 573-824
| 1 |
|
9533 SOUTHWESTERN BELL |
520 |
|
|
|
| 573-824
| 2 |
|
993E BANDWIDTH.COM CLEC, LLC - MO |
520 |
|
2012-01-22 |
|
| 573-824
| 3 |
|
516C AT&T CORP. |
520 |
|
2011-05-20 |
|
| 573-824
| 4 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
520 |
|
2025-07-27 |
|
| 573-824
| 5 |
|
9533 SOUTHWESTERN BELL |
520 |
|
|
|
| 573-824
| 7 |
|
225F PEERLESS NETWORK OF MISSOURI, LLC - MO |
520 |
|
2013-05-05 |
|
| 573-824
| 8 |
|
225F PEERLESS NETWORK OF MISSOURI, LLC - MO |
520 |
|
2013-05-05 |
|
| 573-824
| 9 |
|
4932 LEVEL 3 COMMUNICATIONS, LLC - MO |
520 |
|
2014-07-21 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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