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: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-216 A Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 0 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648   2023-02-24   
406-216 1 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 2 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 3 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 4 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 5 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 6 Great Falls MT GRFLMTMAHMD  073H TELNYX LLC 648   2023-05-13   
406-216 8 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 9 Great Falls MT GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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