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: 507

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-507 A North Wilkesboro NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2026-07-20   
336-507 0 North Wilkesboro NC ELKNNCXAX5X  638E ONVOY, LLC - NC 424   2026-07-20   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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