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.

Terry, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-635 A TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 0 BLNGMT933MD  073H TELNYX LLC 650      
406-635 1 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-635 2   145J TERRA NOVA TELECOM INC. 650      
406-635 3 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-635 4 TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 5 TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-635 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-635 8 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-635 9 TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-637 A TRRYMTMARS1  9636 QWEST CORPORATION 650      
406-637 3 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-637 4 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-637 5 TRRYMTMARS1  9636 QWEST CORPORATION 650      
406-637 6 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-637 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-637 8 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-957 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-957 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-957 1 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-957 2 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-957 3 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-957 6 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-957 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-957 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-957 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.