Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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North Poplar, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-448 A NPPLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-448 2   2247 NEMONT TEL COOP INC 650      
406-448 7   443B SAGEBRUSH CELLULAR, INC. 650      
406-448 8   145J TERRA NOVA TELECOM INC. 650   2025-08-29   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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