Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Ashland, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-784 A ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 2 ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 4 ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 6 ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-784 9 ASLDMTXCRS1  2251 RANGE TEL COOP INC 650      
406-983 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-983 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-983 1 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2018-08-27   
406-983 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-983 9 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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