Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 474 [Rate centres in NPA 474] [Dial plan for NPA 474]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
474-423 A Montmartre SK REGNSK01OMD  464D FIBERNETICS CORPORATION 888 809101    

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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