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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date
406-249 A Kalispell MT HLNAMTHUCM1  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648    

Last updated: Thu, 19 Jul 2018 01:19:47 UTC

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