Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 639 [Rate centres in NPA 639] [Dial plan for NPA 639]

NXX: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
639-336 A Perdue SK PERDSK010MD  6574 BELL CELLULAR, INC. 888 809102    

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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