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: 867

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-867 A Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 0 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-867 1 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 2 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 3 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-867 4 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 5 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 6 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 7 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-867 8 Billings MT BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 9 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   

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

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