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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Missoula, MT

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-481 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-481 0 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-08-05   
406-481 1 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-03   
406-481 2 GRFLMTMA69Z  490J DISH WIRELESS, LLC 648   2023-08-21   
406-481 3 GRFLMTMA69Z  490J DISH WIRELESS, LLC 648   2023-12-18   
406-481 4 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-09-28   
406-481 5 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-12-09   
406-481 6   6529 T-MOBILE USA, INC. 648   2024-02-02   
406-481 7   6529 T-MOBILE USA, INC. 648   2024-02-02   
406-481 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-28   
406-481 9 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-09-28   
406-493 A MSSLMTEHPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648      
406-493 0 MSSLMTEHPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2006-06-19   
406-493 1 MSSLMTEHPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2007-10-01   
406-493 2 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-04-09   
406-493 3 MSSLMTMADS0  9636 QWEST CORPORATION 648   2009-03-30   
406-493 4 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-06-08   
406-493 5 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-08-24   
406-493 6 MSSLMTEHPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2005-08-13   
406-493 7 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-10-10   
406-493 8 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-10-29   
406-493 9 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-12-07   
406-510 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-510 0 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 1 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 2 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 3 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 4 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 6 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 7 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 9 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-519 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-519 0 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-519 1 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-519 2 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2021-06-27   
406-519 3 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-519 4 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-26   
406-519 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-26   
406-519 6   939H COMMIO, LLC 648   2023-09-22   
406-519 7 GRFLMTMANMD  515J IP HORIZON LLC 648   2021-10-22   
406-519 8 MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2022-05-20   
406-519 9 MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2022-05-20   
406-523 A MSSLMTMADS0  9636 QWEST CORPORATION 648      
406-529 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-531 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-532 A MSSLMTXCDS0  7870 BLACKFOOT COMMUNICATIONS, INC. - MT 648      
406-540 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-540 0 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   

<< 1 2 3 4 5 6 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.