Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-215 5 Missoula MT 5562 METROPCS, INC. 648   2017-03-27   
406-215 6 Missoula MT 5562 METROPCS, INC. 648   2017-03-27   
406-215 7 Missoula MT 6529 T-MOBILE USA, INC. 648   2021-02-21   
406-218 A Missoula MT 6529 T-MOBILE USA, INC. 648      
406-218 6 Missoula MT 6529 T-MOBILE USA, INC. 648   2021-02-21   
406-218 9 Missoula MT 6529 T-MOBILE USA, INC. 648   2004-09-17   
406-258 8 Missoula MT 6529 T-MOBILE USA, INC. 648   2021-10-18   
406-260 9 Kalispell MT 6529 T-MOBILE USA, INC. 648   2022-10-08   
406-300 8 Kalispell MT 5562 METROPCS, INC. 648   2018-05-24   
406-300 9 Kalispell MT 5562 METROPCS, INC. 648   2020-07-26   
406-303 9 Missoula MT 6529 T-MOBILE USA, INC. 648   2021-10-18   
406-304 A Missoula MT 6529 T-MOBILE USA, INC. 648      
406-304 0 Missoula MT 6529 T-MOBILE USA, INC. 648   2020-12-20   
406-304 1 Missoula MT 6529 T-MOBILE USA, INC. 648   2020-09-21   
406-304 2 Missoula MT 6529 T-MOBILE USA, INC. 648   2020-01-16   
406-304 4 Missoula MT 6529 T-MOBILE USA, INC. 648   2019-04-26   
406-304 5 Missoula MT 6529 T-MOBILE USA, INC. 648   2018-12-07   
406-304 6 Missoula MT 6529 T-MOBILE USA, INC. 648   2018-01-12   
406-304 7 Missoula MT 6529 T-MOBILE USA, INC. 648   2017-04-10   
406-304 8 Missoula MT 6529 T-MOBILE USA, INC. 648   2017-04-10   
406-304 9 Missoula MT 6529 T-MOBILE USA, INC. 648   2016-06-30   
406-319 0 Polson MT 6529 T-MOBILE USA, INC. 648   2023-12-16   
406-387 6 Hungry Horse MT 6529 T-MOBILE USA, INC. 648   2023-12-16   
406-519 8 Missoula MT 6529 T-MOBILE USA, INC. 648   2022-05-20   
406-519 9 Missoula MT 6529 T-MOBILE USA, INC. 648   2022-05-20   
406-550 6 Missoula MT 6529 T-MOBILE USA, INC. 648   2022-10-16   
406-550 7 Missoula MT 6529 T-MOBILE USA, INC. 648   2022-10-16   
406-607 1 Kalispell MT 6529 T-MOBILE USA, INC. 648   2021-04-06   
406-607 2 Kalispell MT 6529 T-MOBILE USA, INC. 648   2022-02-25   
406-607 3 Kalispell MT 6529 T-MOBILE USA, INC. 648   2022-03-15   
406-607 5 Kalispell MT 6529 T-MOBILE USA, INC. 648   2020-03-27   
406-607 7 Kalispell MT 6529 T-MOBILE USA, INC. 648   2018-10-30   
406-607 9 Kalispell MT 6529 T-MOBILE USA, INC. 648   2019-08-02   
406-609 5 Kalispell MT 6529 T-MOBILE USA, INC. 648   2022-10-08   
406-609 6 Kalispell MT 6529 T-MOBILE USA, INC. 648   2021-06-25   
406-609 7 Kalispell MT 6529 T-MOBILE USA, INC. 648   2021-06-25   
406-849 0 Elmo MT 6529 T-MOBILE USA, INC. 648   2021-02-27   
406-849 1 Elmo MT 6529 T-MOBILE USA, INC. 648   2021-02-27   
406-849 4 Elmo MT 6529 T-MOBILE USA, INC. 648   2023-09-12   
406-849 8 Elmo MT 6529 T-MOBILE USA, INC. 648   2023-01-05   
406-849 9 Elmo MT 6529 T-MOBILE USA, INC. 648   2023-12-13   
406-854 5 Marion MT 6529 T-MOBILE USA, INC. 648   2023-12-16   
406-884 1 Polson MT 5562 METROPCS, INC. 648   2023-09-08   
406-887 4 Finley Point MT 6529 T-MOBILE USA, INC. 648   2023-12-16   

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

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