Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 701 [Rate centres in NPA 701] [Dial plan for NPA 701]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-257 A St Thomas ND PKRVND01DS0  1630 POLAR COMMUN MUTUAL AID CORP. 636      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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