Local Calling Guide

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OCN: 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-216 A Great Falls MT GRFLMTMAHG1  648      
406-216 0 Great Falls MT GRFLMTMAHG1  648   2023-02-24   
406-216 1 Great Falls MT GRFLMTMAHG1  648      
406-216 2 Great Falls MT GRFLMTMAHG1  648      
406-216 3 Great Falls MT GRFLMTMAHG1  648      
406-216 4 Great Falls MT GRFLMTMAHG1  648      
406-216 5 Great Falls MT GRFLMTMAHG1  648      
406-216 8 Great Falls MT GRFLMTMAHG1  648      
406-216 9 Great Falls MT GRFLMTMAHG1  648      
406-271 A Conrad MT CNRDMTAGDS0  648      
406-271 0 Conrad MT CNRDMTAGDS0  648      
406-271 1 Conrad MT CNRDMTAGDS0  648      
406-271 2 Conrad MT CNRDMTAGDS0  648      
406-271 3 Conrad MT CNRDMTAGDS0  648      
406-271 4 Conrad MT CNRDMTAGDS0  648      
406-271 5 Conrad MT CNRDMTAGDS0  648      
406-271 7 Conrad MT CNRDMTAGDS0  648      
406-271 8 Conrad MT CNRDMTAGDS0  648      
406-271 9 Conrad MT CNRDMTAGDS0  648      
406-424 A Shelby MT SHLBMTALRL0  648      
406-424 1 Shelby MT SHLBMTALRL0  648      
406-424 2 Shelby MT SHLBMTALRL0  648      
406-424 4 Shelby MT SHLBMTALRL0  648      
406-424 5 Shelby MT SHLBMTALRL0  648      
406-424 7 Shelby MT SHLBMTALRL0  648      
406-424 8 Shelby MT SHLBMTALRL0  648      
406-424 9 Shelby MT SHLBMTALRL0  648      
406-440 A Helena MT HLNAMTHODS1  648      
406-440 0 Helena MT HLNAMTHODS1  648      
406-440 1 Helena MT HLNAMTHODS1  648      
406-440 3 Helena MT HLNAMTHODS1  648      
406-440 4 Helena MT HLNAMTHODS1  648      
406-440 8 Helena MT HLNAMTHODS1  648      
406-440 9 Helena MT HLNAMTHODS1  648      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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