Local Calling Guide
Area code/prefix search
Armstrong, MO
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 660-273
| A |
ARMSMOCRRS0 |
9533 SOUTHWESTERN BELL |
524 |
|
|
|
| 660-273
| 0 |
|
993E BANDWIDTH.COM CLEC, LLC - MO |
524 |
|
2009-02-13 |
|
| 660-273
| 1 |
|
9533 SOUTHWESTERN BELL |
524 |
|
|
|
| 660-273
| 2 |
|
9533 SOUTHWESTERN BELL |
524 |
|
|
|
| 660-273
| 3 |
|
225F PEERLESS NETWORK OF MISSOURI, LLC - MO |
524 |
|
2014-04-10 |
|
| 660-273
| 4 |
|
093F ONVOY, LLC - MO |
524 |
|
2021-07-23 |
|
| 660-273
| 5 |
|
225F PEERLESS NETWORK OF MISSOURI, LLC - MO |
524 |
|
2025-02-27 |
|
| 660-273
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
524 |
|
2014-05-07 |
|
| 660-273
| 8 |
|
073H TELNYX LLC |
524 |
|
2019-09-30 |
|
| 660-273
| 9 |
|
9533 SOUTHWESTERN BELL |
524 |
|
|
|
| 660-677
| A |
KSCZMODR3MD |
4932 LEVEL 3 COMMUNICATIONS, LLC - MO |
524 |
|
|
|
| 660-677
| 1 |
|
624H ONVOY SPECTRUM, LLC |
524 |
|
2025-01-12 |
|
| 660-677
| 2 |
|
093F ONVOY, LLC - MO |
524 |
|
2021-10-18 |
|
| 660-677
| 4 |
|
4932 LEVEL 3 COMMUNICATIONS, LLC - MO |
524 |
|
|
|
| 660-677
| 6 |
|
093F ONVOY, LLC - MO |
524 |
|
2021-01-06 |
|
| 660-677
| 7 |
|
965H FRACTEL, LLC |
524 |
|
2019-11-14 |
|
| 660-677
| 8 |
|
516C AT&T CORP. |
524 |
|
2023-10-02 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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