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: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-789 A Medicine Lake MT MDLKMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-789 2 Medicine Lake MT MDLKMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-789 7 Medicine Lake MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-789 8 Medicine Lake MT GLNDMTAJRS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650   2019-12-16   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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