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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-637 A Reidsville NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-637 0 Reidsville NC   829J PAETEC ITEL, LLC 424      
336-637 1 Reidsville NC   829J PAETEC ITEL, LLC 424      
336-637 2 Reidsville NC   829J PAETEC ITEL, LLC 424      
336-637 3 Reidsville NC   829J PAETEC ITEL, LLC 424      
336-637 4 Reidsville NC   516C AT&T CORP. 424   2010-05-17   
336-637 5 Reidsville NC   793K TWC IP ENABLED SERVICES, LLC 424   2018-06-10   
336-637 6 Reidsville NC   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-06-15   
336-637 7 Reidsville NC   6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2010-06-15   
336-637 8 Reidsville NC   793K TWC IP ENABLED SERVICES, LLC 424   2013-05-21   
336-637 9 Reidsville NC   829J PAETEC ITEL, LLC 424      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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