Local Calling Guide
Area code/prefix search
Clyde Park, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-686
| A |
CLPKMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-686
| 0 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-686
| 1 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2010-02-20 |
|
| 406-686
| 2 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-01-10 |
|
| 406-686
| 3 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2011-04-10 |
|
| 406-686
| 4 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-686
| 5 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2024-03-15 |
|
| 406-686
| 6 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2009-02-13 |
|
| 406-686
| 7 |
|
453F ONVOY, LLC - MT |
650 |
|
2007-04-14 |
|
| 406-686
| 8 |
|
453F ONVOY, LLC - MT |
650 |
|
2011-10-20 |
|
| 406-686
| 9 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-936
| A |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
|
|
| 406-936
| 0 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-09-14 |
|
| 406-936
| 1 |
|
073H TELNYX LLC |
650 |
|
2018-07-25 |
|
| 406-936
| 2 |
|
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-936
| 3 |
|
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-936
| 4 |
|
453F ONVOY, LLC - MT |
650 |
|
2019-10-28 |
|
| 406-936
| 5 |
|
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-936
| 6 |
|
453F ONVOY, LLC - MT |
650 |
|
2020-01-05 |
|
| 406-936
| 7 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2024-03-15 |
|
| 406-936
| 8 |
|
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-936
| 9 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-02-12 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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