Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-319 9 Polson MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-324 7 Helena MT 453F ONVOY, LLC - MT 648   2006-05-27   
406-344 1 Havre MT 453F ONVOY, LLC - MT 648   2020-04-04   
406-344 4 Havre MT 453F ONVOY, LLC - MT 648   2019-09-15   
406-344 5 Havre MT 453F ONVOY, LLC - MT 648   2020-01-03   
406-344 6 Havre MT 453F ONVOY, LLC - MT 648   2019-09-15   
406-344 7 Havre MT 453F ONVOY, LLC - MT 648   2020-01-03   
406-344 8 Havre MT 453F ONVOY, LLC - MT 648   2019-10-28   
406-344 9 Havre MT 453F ONVOY, LLC - MT 648   2020-06-05   
406-350 4 Lewistown MT 453F ONVOY, LLC - MT 648   2012-12-15   
406-350 5 Lewistown MT 453F ONVOY, LLC - MT 648   2012-12-15   
406-350 6 Lewistown MT 453F ONVOY, LLC - MT 648   2012-12-15   
406-350 7 Lewistown MT 453F ONVOY, LLC - MT 648   2012-12-15   
406-361 2 Hamilton MT 453F ONVOY, LLC - MT 648   2012-12-17   
406-361 3 Hamilton MT 453F ONVOY, LLC - MT 648   2012-12-17   
406-361 7 Hamilton MT 453F ONVOY, LLC - MT 648   2011-09-22   
406-369 6 Hamilton MT 453F ONVOY, LLC - MT 648   2006-10-19   
406-369 7 Hamilton MT 453F ONVOY, LLC - MT 648   2020-11-08   
406-369 9 Hamilton MT 453F ONVOY, LLC - MT 648   2021-03-07   
406-375 3 Hamilton MT 453F ONVOY, LLC - MT 648   2022-09-19   
406-380 3 Lewistown MT 453F ONVOY, LLC - MT 648   2020-01-03   
406-380 4 Lewistown MT 453F ONVOY, LLC - MT 648   2019-09-15   
406-380 5 Lewistown MT 453F ONVOY, LLC - MT 648   2022-12-04   
406-380 7 Lewistown MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-380 9 Lewistown MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-387 1 Hungry Horse MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-389 0 Helena MT 453F ONVOY, LLC - MT 648   2019-01-22   
406-389 1 Helena MT 453F ONVOY, LLC - MT 648   2019-01-22   
406-389 4 Helena MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-389 5 Helena MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-389 6 Helena MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-389 8 Helena MT 453F ONVOY, LLC - MT 648   2019-01-22   
406-389 9 Helena MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-391 1 Cut Bank MT 453F ONVOY, LLC - MT 648   2021-10-31   
406-391 2 Cut Bank MT 453F ONVOY, LLC - MT 648   2023-04-02   
406-391 7 Cut Bank MT 453F ONVOY, LLC - MT 648   2021-03-28   
406-393 0 Somers MT 453F ONVOY, LLC - MT 648   2012-12-14   
406-393 1 Somers MT 453F ONVOY, LLC - MT 648   2012-12-14   
406-393 3 Somers MT 453F ONVOY, LLC - MT 648   2012-12-14   
406-393 5 Somers MT 453F ONVOY, LLC - MT 648   2021-07-05   
406-393 6 Somers MT 453F ONVOY, LLC - MT 648   2021-03-07   
406-393 7 Somers MT 453F ONVOY, LLC - MT 648   2007-11-17   
406-393 8 Somers MT 453F ONVOY, LLC - MT 648   2011-03-05   
406-393 9 Somers MT 453F ONVOY, LLC - MT 648   2021-03-07   
406-400 0 Havre MT 453F ONVOY, LLC - MT 648   2017-07-31   
406-400 1 Havre MT 453F ONVOY, LLC - MT 648   2017-07-31   
406-400 3 Havre MT 453F ONVOY, LLC - MT 648   2017-07-31   
406-400 4 Havre MT 453F ONVOY, LLC - MT 648   2017-07-31   
406-400 5 Havre MT 453F ONVOY, LLC - MT 648   2017-07-31   
406-400 6 Havre MT 453F ONVOY, LLC - MT 648   2017-07-31   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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