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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-544 A Greensboro NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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