Local Calling Guide
Area code/prefix search
Joliet, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-905
| A |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-905
| 0 |
|
453F ONVOY, LLC - MT |
650 |
|
2012-12-17 |
|
| 406-905
| 1 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-04-27 |
|
| 406-905
| 2 |
|
935G TRI TEL, INC. - MT |
650 |
|
2013-01-28 |
|
| 406-905
| 3 |
|
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-905
| 4 |
|
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-905
| 5 |
|
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-905
| 6 |
|
624H ONVOY SPECTRUM, LLC |
650 |
|
2024-03-22 |
|
| 406-905
| 7 |
|
453F ONVOY, LLC - MT |
650 |
|
2011-11-28 |
|
| 406-905
| 8 |
|
073H TELNYX LLC |
650 |
|
2018-07-25 |
|
| 406-905
| 9 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-02-12 |
|
| 406-962
| A |
JOLTMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-962
| 0 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-962
| 1 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2008-07-17 |
|
| 406-962
| 2 |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2020-11-19 |
|
| 406-962
| 3 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-962
| 4 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-962
| 5 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2008-11-26 |
|
| 406-962
| 6 |
|
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2010-02-20 |
|
| 406-962
| 7 |
|
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-962
| 9 |
|
9636 QWEST CORPORATION |
650 |
|
|
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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