Local Calling Guide
Area code/prefix search
Billings, MT
<< 1 2 3 4 5 6 7 8 9 10 11 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-506
| 4 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-10-05 |
|
| 406-506
| 5 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-10-05 |
|
| 406-506
| 6 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-10-05 |
|
| 406-506
| 7 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
| 406-506
| 8 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2020-09-03 |
|
| 406-506
| 9 |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-07-23 |
|
| 406-534
| A |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
|
|
| 406-534
| 0 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2006-09-01 |
|
| 406-534
| 1 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2006-03-26 |
|
| 406-534
| 2 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2005-04-29 |
|
| 406-534
| 3 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2005-10-22 |
|
| 406-534
| 4 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2007-09-21 |
|
| 406-534
| 5 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2013-12-09 |
|
| 406-534
| 6 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2010-06-27 |
|
| 406-534
| 7 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2013-12-09 |
|
| 406-534
| 8 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2014-03-24 |
|
| 406-534
| 9 |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2009-02-13 |
|
| 406-545
| A |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-545
| 0 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-12-29 |
|
| 406-545
| 1 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2007-06-19 |
|
| 406-545
| 2 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2007-06-19 |
|
| 406-545
| 3 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2005-08-13 |
|
| 406-545
| 4 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-545
| 5 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2007-09-17 |
|
| 406-545
| 6 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2007-09-26 |
|
| 406-545
| 7 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2009-05-28 |
|
| 406-545
| 8 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2004-09-27 |
|
| 406-545
| 9 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2004-09-27 |
|
| 406-561
| A |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
|
|
| 406-561
| 0 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2020-02-02 |
|
| 406-561
| 1 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2020-02-02 |
|
| 406-561
| 2 |
BLNGMTMAXMD |
5562 METROPCS, INC. |
650 |
|
2018-08-04 |
|
| 406-561
| 3 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2019-04-28 |
|
| 406-561
| 4 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2019-04-28 |
|
| 406-561
| 5 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2018-11-25 |
|
| 406-561
| 6 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2018-05-10 |
|
| 406-561
| 7 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2018-05-10 |
|
| 406-561
| 8 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2018-03-22 |
|
| 406-561
| 9 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2017-11-01 |
|
| 406-591
| A |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-598
| A |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
|
|
| 406-601
| A |
BLNGMTASHMD |
7870 BLACKFOOT COMMUNICATIONS, INC. - MT |
650 |
|
|
|
| 406-601
| 0 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-06-21 |
|
| 406-601
| 1 |
BLNGMT93HMD |
792K CHARTER IP ENABLED SERVICES, LLC |
650 |
|
2016-11-24 |
|
| 406-601
| 2 |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2023-04-06 |
|
| 406-601
| 3 |
BLNGMT93DS0 |
588H AIRUS, INC. - MT |
650 |
|
2017-07-27 |
|
| 406-601
| 4 |
BLNGMTASHMD |
7870 BLACKFOOT COMMUNICATIONS, INC. - MT |
650 |
|
2013-12-30 |
|
| 406-601
| 5 |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2017-11-30 |
|
| 406-601
| 6 |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2017-11-30 |
|
| 406-601
| 7 |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2017-11-30 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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