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.

Hardin, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-623 A BLNGMTVR0MD  939H COMMIO, LLC 650      
406-623 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-623 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-623 2 BLNGMTMATMD  935G TRI TEL, INC. - MT 650      
406-623 3 BLNGMT933MD  073H TELNYX LLC 650      
406-623 4 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-623 5 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-623 6 BLNGMTVR0MD  939H COMMIO, LLC 650      
406-623 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-623 8 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-623 9 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-629 A BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-629 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-629 1 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-629 2 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-629 3 BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-629 4 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-629 5 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-629 6 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-629 7   624H ONVOY SPECTRUM, LLC 650      
406-629 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-638 A CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-638 2 CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 3 CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 4 CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 5 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-638 6 BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650      
406-638 7 CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 8 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-638 9 CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-665 A HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 1 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 2 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 3 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 4 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 5 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-665 6 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 7 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-665 8 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-665 9 HRDNMTMARS1  9636 QWEST CORPORATION 650      
406-679 A BLNGMTVR5MD  732J NUSO, LLC 650      
406-679 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-679 7 BLNGMTVR5MD  732J NUSO, LLC 650      
406-699 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-699 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-699 1   145J TERRA NOVA TELECOM INC. 650      
406-699 4   145J TERRA NOVA TELECOM INC. 650      
406-699 9   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-953 A GLSGMTXC0MD  843H SAGEBRUSH CELLULAR, INC. 650      
406-953 0 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-953 2 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 3 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 4 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-953 5 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 6 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-953 8 GLSGMTXC0MD  843H SAGEBRUSH CELLULAR, INC. 650      
406-953 9 GLSGMTXC0MD  843H SAGEBRUSH CELLULAR, INC. 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.