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 |
| 406-412
| 9 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2017-06-21 |
|
| 406-413
| A |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-413
| 0 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-04-09 |
|
| 406-413
| 1 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-04-09 |
|
| 406-413
| 2 |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
2015-06-11 |
|
| 406-413
| 3 |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
2015-06-11 |
|
| 406-413
| 4 |
BLNGMTMADS1 |
9636 QWEST CORPORATION |
650 |
|
2015-06-11 |
|
| 406-413
| 5 |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2016-11-18 |
|
| 406-413
| 6 |
BLNGMTWEBMD |
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
650 |
|
2017-08-21 |
|
| 406-413
| 7 |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-08-13 |
|
| 406-413
| 8 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-04-09 |
|
| 406-413
| 9 |
BLNGMT93DS0 |
588H AIRUS, INC. - MT |
650 |
|
2017-04-06 |
|
| 406-435
| A |
|
520K TDS METROCOM, LLC |
650 |
|
|
|
| 406-435
| 0 |
|
520K TDS METROCOM, LLC |
650 |
|
2025-12-06 |
|
| 406-435
| 1 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 2 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 3 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 4 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 5 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 6 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 7 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 8 |
BLNGMT20PS0 |
4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
650 |
|
|
|
| 406-435
| 9 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-04-22 |
|
| 406-500
| A |
BLNGMT938MD |
965H FRACTEL, LLC |
650 |
|
|
|
| 406-500
| 0 |
BLNGMT938MD |
965H FRACTEL, LLC |
650 |
|
2019-03-30 |
|
| 406-500
| 1 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-05-24 |
|
| 406-500
| 2 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-11-18 |
|
| 406-500
| 3 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2019-08-23 |
|
| 406-500
| 4 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-10-28 |
|
| 406-500
| 5 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-10-28 |
|
| 406-500
| 6 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-11-18 |
|
| 406-500
| 7 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-11-18 |
|
| 406-500
| 8 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-11-18 |
|
| 406-500
| 9 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-11-18 |
|
| 406-503
| A |
BLNGMTWELMD |
318J COMCAST IP PHONE, LLC |
650 |
|
|
|
| 406-503
| 0 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2023-08-20 |
|
| 406-503
| 1 |
BLNGMTWELMD |
318J COMCAST IP PHONE, LLC |
650 |
|
2023-06-04 |
|
| 406-503
| 2 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2024-01-26 |
|
| 406-503
| 3 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2024-02-09 |
|
| 406-503
| 4 |
BLNGMTMAXMD |
5562 METROPCS, INC. |
650 |
|
2023-09-24 |
|
| 406-503
| 5 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2024-02-09 |
|
| 406-503
| 6 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2024-02-09 |
|
| 406-503
| 7 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2024-02-09 |
|
| 406-503
| 8 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2023-08-20 |
|
| 406-503
| 9 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2023-08-20 |
|
| 406-506
| A |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
|
|
| 406-506
| 0 |
BLNGMT93BMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2022-10-07 |
|
| 406-506
| 1 |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-11-01 |
|
| 406-506
| 2 |
BLNGMT93BMD |
321J HD CARRIER LLC |
650 |
|
2020-11-01 |
|
| 406-506
| 3 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-05 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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