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.

Hamilton, MT

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-360 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-361 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-361 0 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-07-24   
406-361 1 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-10-02   
406-361 2 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-361 3 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-361 4 CHRLMT010MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2016-11-18   
406-361 5 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2014-04-24   
406-361 6 HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2014-01-15   
406-361 7 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-09-22   
406-361 8 MSSLMTEHPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2014-05-05   
406-361 9 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2018-01-05   
406-363 A HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 0 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 1 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 2 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 3 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 4 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 5 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 6 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 7 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-363 8 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-363 9 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-369 A MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-369 0 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-369 1 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-369 2 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-369 3 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-369 4 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-369 5 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-11-18   
406-369 6 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2006-10-19   
406-369 7 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-369 8 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-06   
406-369 9 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-375 A HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 0 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 1 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 2 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 3 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2022-09-19   
406-375 4 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 5 MSSLMTEHPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2006-05-17   
406-375 6 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 7 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 8 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-375 9 HMTNMTMADS0  9636 QWEST CORPORATION 648      
406-381 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-802 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-802 0 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2021-12-14   
406-802 1 GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-802 2 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2019-05-24   

1 2 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.