Local Calling Guide

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Billings, MT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-998 2 BLNGMT93DS0  588H AIRUS, INC. - MT 650   2019-04-29   
406-998 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-08-24   
406-998 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-08-24   
406-998 5 BLNGMT93DS0  588H AIRUS, INC. - MT 650   2020-03-27   
406-998 6 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2020-01-05   
406-998 7 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2019-09-06   
406-998 8 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2016-02-05   
406-998 9 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2015-12-04   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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