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]


NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
406-885 A Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648     map

Last updated: Sat, 14 Apr 2018 22:33:36 UTC

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