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 |
| 406-601
| 8 |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2022-11-04 |
|
| 406-601
| 9 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2021-07-26 |
|
| 406-606
| A |
BLNGMTMATMD |
935G TRI TEL, INC. - MT |
650 |
|
|
|
| 406-606
| 0 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2014-11-02 |
|
| 406-606
| 1 |
BLNGMTMATMD |
935G TRI TEL, INC. - MT |
650 |
|
2013-01-28 |
|
| 406-606
| 2 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2014-11-14 |
|
| 406-606
| 3 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2022-11-12 |
|
| 406-606
| 4 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-07-08 |
|
| 406-606
| 5 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2022-11-12 |
|
| 406-606
| 6 |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-07-08 |
|
| 406-606
| 7 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2022-11-12 |
|
| 406-606
| 8 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-10-09 |
|
| 406-606
| 9 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2018-10-09 |
|
| 406-608
| A |
BLNGMTASKMD |
515J IP HORIZON LLC |
650 |
|
|
|
| 406-608
| 0 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2022-08-29 |
|
| 406-608
| 1 |
BLNGMTASKMD |
515J IP HORIZON LLC |
650 |
|
2021-06-27 |
|
| 406-608
| 2 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2021-11-15 |
|
| 406-608
| 3 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2021-11-15 |
|
| 406-608
| 4 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2021-11-15 |
|
| 406-608
| 5 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2021-11-15 |
|
| 406-608
| 6 |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2021-11-15 |
|
| 406-608
| 7 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2022-08-29 |
|
| 406-608
| 8 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2022-08-29 |
|
| 406-608
| 9 |
BLNGMTMAXMD |
6529 T-MOBILE USA, INC. |
650 |
|
2022-08-29 |
|
| 406-617
| A |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2025-02-16 |
|
| 406-617
| 0 |
|
732J NUSO, LLC |
650 |
|
2025-02-17 |
|
| 406-617
| 1 |
|
732J NUSO, LLC |
650 |
|
2025-02-17 |
|
| 406-617
| 2 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2025-04-05 |
|
| 406-617
| 3 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2025-08-07 |
|
| 406-617
| 4 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2025-07-08 |
|
| 406-617
| 5 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2025-07-08 |
|
| 406-617
| 6 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2025-06-14 |
|
| 406-617
| 7 |
|
073H TELNYX LLC |
650 |
|
2025-02-17 |
|
| 406-617
| 8 |
BLNGMTMAMMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
650 |
|
2025-02-16 |
|
| 406-617
| 9 |
|
6529 T-MOBILE USA, INC. |
650 |
|
2026-03-02 |
|
| 406-620
| A |
GLSGMTXC1MD |
443B SAGEBRUSH CELLULAR, INC. |
650 |
|
|
|
| 406-647
| A |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
|
|
| 406-647
| 0 |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2008-08-24 |
|
| 406-647
| 1 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2009-10-12 |
|
| 406-647
| 2 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2009-11-09 |
|
| 406-647
| 3 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-02-09 |
|
| 406-647
| 4 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-03-09 |
|
| 406-647
| 5 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-08-23 |
|
| 406-647
| 6 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-09-23 |
|
| 406-647
| 7 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-10-11 |
|
| 406-647
| 8 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2010-11-11 |
|
| 406-647
| 9 |
BLNGMTWEIMD |
6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT |
650 |
|
2011-02-05 |
|
| 406-651
| A |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 0 |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-651
| 1 |
BLNGMTWEDS0 |
9636 QWEST CORPORATION |
650 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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