Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-371 A Billings MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 0 Billings MT   145J TERRA NOVA TELECOM INC. 650      
406-371 1 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-371 2 Billings MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 3 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-371 4 Billings MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 5 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-371 6 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-371 7 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-371 8 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-371 9 Billings MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      

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

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