Local Calling Guide
Area code/prefix search
NPA: 406
[Rate centres in NPA 406]
[Dial plan for NPA 406]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-795
| A |
Wibaux |
MT |
WIBXMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-795
| 0 |
Wibaux |
MT |
BLNGMT933MD |
073H TELNYX LLC |
650 |
|
2018-07-25 |
|
| 406-795
| 1 |
Wibaux |
MT |
BLNGMTWE6MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2006-11-28 |
|
| 406-795
| 2 |
Wibaux |
MT |
WIBXMTMARS1 |
9636 QWEST CORPORATION |
650 |
|
|
|
| 406-795
| 3 |
Wibaux |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2012-01-15 |
|
| 406-795
| 4 |
Wibaux |
MT |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2016-08-12 |
|
| 406-795
| 5 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2011-07-17 |
|
| 406-795
| 6 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-795
| 7 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2007-03-19 |
|
| 406-795
| 8 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-796
| A |
Wibaux |
MT |
WIBXMTAARS0 |
7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. |
650 |
|
|
|
| 406-796
| 0 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-796
| 1 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-796
| 2 |
Wibaux |
MT |
WIBXMTAARS0 |
7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. |
650 |
|
|
|
| 406-796
| 3 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2019-09-15 |
|
| 406-796
| 4 |
Wibaux |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-07-08 |
|
| 406-796
| 5 |
Wibaux |
MT |
BLNGMTWEDMD |
624H ONVOY SPECTRUM, LLC |
650 |
|
2025-01-23 |
|
| 406-796
| 7 |
Wibaux |
MT |
|
145J TERRA NOVA TELECOM INC. |
650 |
|
2023-04-27 |
|
| 406-796
| 9 |
Wibaux |
MT |
WIBXMTAARS0 |
7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. |
650 |
|
|
|
| 406-797
| A |
Anaconda |
MT |
OPRTMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-797
| 0 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-797
| 1 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-797
| 2 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-797
| 3 |
Anaconda |
MT |
OPRTMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-797
| 4 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-797
| 5 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2006-10-19 |
|
| 406-797
| 6 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-797
| 7 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2011-10-21 |
|
| 406-797
| 8 |
Anaconda |
MT |
OPRTMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-797
| 9 |
Anaconda |
MT |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-798
| A |
West Sidney |
MT |
WGLNMTXCDS2 |
2246 MID-RIVERS TEL. COOP., INC. |
650 |
|
|
|
| 406-799
| A |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 0 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 1 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 2 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 3 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 4 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 5 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 6 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 7 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 8 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-799
| 9 |
Great Falls |
MT |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
|
|
| 406-800
| A |
Bridger |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
|
|
| 406-800
| 0 |
Bridger |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2014-01-10 |
|
| 406-800
| 1 |
Bridger |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2015-03-21 |
|
| 406-800
| 2 |
Bridger |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2021-03-07 |
|
| 406-800
| 4 |
Bridger |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-800
| 5 |
Bridger |
MT |
BLNGMTAS9MD |
453F ONVOY, LLC - MT |
650 |
|
2020-11-10 |
|
| 406-800
| 6 |
Bridger |
MT |
BLNGMTMALMD |
994E BANDWIDTH.COM CLEC, LLC - MT |
650 |
|
2021-06-12 |
|
| 406-800
| 7 |
Bridger |
MT |
BLNGMTWE8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
650 |
|
2016-08-10 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 >>
Last updated: Sun, 17 May 2026 03:26:51 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.