Local Calling Guide

Area code/prefix search

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NPA: 639 [Rate centres in NPA 639] [Dial plan for NPA 639]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
639-420 A Balgonie SK REGNSK01OMD  464D FIBERNETICS CORPORATION 888 809101    

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

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