Local Calling Guide

Area code/prefix search

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LATA: 648 GREAT FALLS MT [Rate centres in LATA]

OCN: 6529 T-MOBILE USA, INC.

<< 1 2

NPA-NXX BLOCK Rate Centre Region Switch LIR Eff date Disc date
406-607 5 Kalispell MT MSSLMTMACMD    2020-03-27   
406-607 7 Kalispell MT MSSLMTMACMD    2018-10-30   
406-607 9 Kalispell MT MSSLMTMACMD    2019-08-02   
406-609 5 Kalispell MT MSSLMTMACMD    2022-10-08   
406-609 6 Kalispell MT MSSLMTMACMD    2021-06-25   
406-609 7 Kalispell MT MSSLMTMACMD    2021-06-25   
406-760 8 Great Falls MT GRFLMTMAGMD    2022-02-08   
406-792 5 Butte MT HLNAMTMAWMD    2017-05-25   
406-792 6 Butte MT HLNAMTMAWMD    2017-05-25   
406-849 0 Elmo MT MSSLMTMACMD    2021-02-27   
406-849 1 Elmo MT MSSLMTMACMD    2021-02-27   
406-849 4 Elmo MT MSSLMTMACMD    2023-09-12   
406-849 8 Elmo MT MSSLMTMACMD    2023-01-05   
406-849 9 Elmo MT MSSLMTMACMD    2023-12-13   
406-854 5 Marion MT MSSLMTMACMD    2023-12-16   
406-866 8 Great Falls MT GRFLMTMAGMD    2023-10-23   
406-887 4 Finley Point MT MSSLMTMACMD    2023-12-16   
406-916 A Helena MT HLNAMTMAWMD       
406-916 1 Helena MT HLNAMTMAWMD    2022-08-27   
406-916 2 Helena MT HLNAMTMAWMD    2021-03-12   
406-916 6 Helena MT HLNAMTMAWMD    2020-07-30   
406-916 7 Helena MT HLNAMTMAWMD    2019-03-18   
406-916 8 Helena MT HLNAMTMAWMD    2017-05-25   
406-916 9 Helena MT HLNAMTMAWMD    2017-05-25   
406-923 8 Great Falls MT GRFLMTMAGMD    2022-11-21   
406-923 9 Great Falls MT GRFLMTMAGMD    2022-11-21   
406-955 6 Kalispell MT     2024-02-01   
406-955 7 Kalispell MT     2024-02-01   

<< 1 2

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

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