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: 967

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-967 A Worden MT WRDNMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-967 0 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 1 Worden MT   792K CHARTER IP ENABLED SERVICES, LLC 650   2025-05-06   
406-967 2 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 3 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 4 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 5 Worden MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2025-04-07   
406-967 6 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 7 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 8 Worden MT   2250 PROJECT TEL. CO., INC. 650      
406-967 9 Worden MT   2250 PROJECT TEL. CO., INC. 650      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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