Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-356 A Dobson NC LVCRNCXADS0  035B PIEDMONT COMMUNICATIONS SERVICES, INC. - NC 424      

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

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