Local Calling Guide
Area code/prefix search
Mammoth, WY
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 307-227
| A |
BLNGMTAS9MD |
450F ONVOY, LLC - WY |
650 |
|
|
|
| 307-227
| 0 |
|
581H AIRUS, INC. - WY |
650 |
|
2018-03-02 |
|
| 307-227
| 1 |
|
073H TELNYX LLC |
650 |
|
2019-03-01 |
|
| 307-227
| 2 |
|
450F ONVOY, LLC - WY |
650 |
|
2019-09-07 |
|
| 307-227
| 3 |
|
450F ONVOY, LLC - WY |
650 |
|
2020-09-05 |
|
| 307-227
| 4 |
|
450F ONVOY, LLC - WY |
650 |
|
2020-09-05 |
|
| 307-227
| 5 |
|
450F ONVOY, LLC - WY |
650 |
|
2021-03-19 |
|
| 307-227
| 6 |
|
450F ONVOY, LLC - WY |
650 |
|
2020-06-04 |
|
| 307-227
| 7 |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2023-08-31 |
|
| 307-227
| 8 |
|
581H AIRUS, INC. - WY |
650 |
|
2019-11-01 |
|
| 307-227
| 9 |
|
581H AIRUS, INC. - WY |
650 |
|
2020-01-05 |
|
| 307-344
| A |
MMTHWYMADS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-344
| 0 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-344
| 1 |
|
081F BANDWIDTH.COM CLEC, LLC - WY |
650 |
|
2012-02-09 |
|
| 307-344
| 2 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-344
| 3 |
|
450F ONVOY, LLC - WY |
650 |
|
2007-04-21 |
|
| 307-344
| 4 |
|
450F ONVOY, LLC - WY |
650 |
|
2012-12-13 |
|
| 307-344
| 5 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-344
| 6 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-344
| 7 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-344
| 8 |
|
9416 LEVEL 3 COMMUNICATIONS, LLC - WY |
650 |
|
|
|
| 307-344
| 9 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 307-427
| A |
BLNGMTAS9MD |
450F ONVOY, LLC - WY |
650 |
|
|
|
| 307-427
| 0 |
|
450F ONVOY, LLC - WY |
650 |
|
2024-01-08 |
|
| 307-427
| 1 |
|
450F ONVOY, LLC - WY |
650 |
|
2023-07-23 |
|
| 307-427
| 2 |
|
624H ONVOY SPECTRUM, LLC |
650 |
|
2025-01-16 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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