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: 262

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-262 A Havre MT HAVRMTMADS0  9636 QWEST CORPORATION 648      
406-262 0 Havre MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2015-09-10   
406-262 1 Havre MT   9636 QWEST CORPORATION 648      
406-262 2 Havre MT   9636 QWEST CORPORATION 648      
406-262 3 Havre MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-262 4 Havre MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-262 5 Havre MT   9636 QWEST CORPORATION 648      
406-262 6 Havre MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-01-13   
406-262 7 Havre MT   792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-04   
406-262 8 Havre MT   453F ONVOY, LLC - MT 648   2006-10-19   
406-262 9 Havre MT   9636 QWEST CORPORATION 648      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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