Local Calling Guide
Area code/prefix search
Polson, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-319
| A |
MSSLMTEH4MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
|
|
| 406-319
| 0 |
|
6529 T-MOBILE USA, INC. |
648 |
|
2023-12-16 |
|
| 406-319
| 1 |
|
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-319
| 2 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2006-04-17 |
|
| 406-319
| 3 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-319
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-319
| 5 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-319
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2007-03-08 |
|
| 406-319
| 8 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-319
| 9 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-872
| A |
PLSNMTPC1MD |
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
|
|
| 406-872
| 0 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-872
| 1 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-872
| 2 |
|
986F WESTERN MONTANA COMMUNITYTEL INC. - MT |
648 |
|
2007-12-06 |
|
| 406-872
| 3 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-872
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-15 |
|
| 406-872
| 5 |
|
6529 T-MOBILE USA, INC. |
648 |
|
2025-02-23 |
|
| 406-872
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-872
| 7 |
|
453F ONVOY, LLC - MT |
648 |
|
2011-03-05 |
|
| 406-883
| A |
PLSNMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-884
| A |
PLSNMTXCRS0 |
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-884
| 1 |
|
5562 METROPCS, INC. |
648 |
|
2023-09-08 |
|
| 406-884
| 2 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2015-10-23 |
|
| 406-884
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2019-10-28 |
|
| 406-884
| 6 |
|
2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK |
648 |
|
|
|
| 406-884
| 7 |
|
771G TELEPORT COMMUNICATIONS AMERICA MT - LLC |
648 |
|
2015-06-15 |
|
| 406-884
| 8 |
|
145J TERRA NOVA TELECOM INC. |
648 |
|
2025-10-09 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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