Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Peerless, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-893 A PRLSMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-893 4 PRLSMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-893 7 GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      

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

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