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: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-218 A Missoula MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648      
406-218 0 Missoula MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-05-20   
406-218 1 Missoula MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2006-08-18   
406-218 2 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2016-04-21   
406-218 3 Missoula MT MSSLMTMADS0  9636 QWEST CORPORATION 648   2013-02-25   
406-218 4 Missoula MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2022-08-27   
406-218 5 Missoula MT MSSLMTMADS0  9636 QWEST CORPORATION 648   2013-02-25   
406-218 6 Missoula MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2021-02-21   
406-218 7 Missoula MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2017-06-16   
406-218 8 Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2004-09-17   
406-218 9 Missoula MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2004-09-17   

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

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