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: 608

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-608 A Billings MT BLNGMTASKMD  515J IP HORIZON LLC 650      
406-608 0 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-08-29   
406-608 1 Billings MT BLNGMTASKMD  515J IP HORIZON LLC 650   2021-06-27   
406-608 2 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2021-11-15   
406-608 3 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2021-11-15   
406-608 4 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2021-11-15   
406-608 5 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2021-11-15   
406-608 6 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2021-11-15   
406-608 7 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-08-29   
406-608 8 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-08-29   
406-608 9 Billings MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2022-08-29   

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

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