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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-837 A Winston-Salem NC GNBONCEU02Z  829J PAETEC ITEL, LLC 424   2025-02-12   
336-837 0 Winston-Salem NC   829J PAETEC ITEL, LLC 424      
336-837 1 Winston-Salem NC   829J PAETEC ITEL, LLC 424      
336-837 2 Winston-Salem NC   829J PAETEC ITEL, LLC 424      
336-837 3 Winston-Salem NC   829J PAETEC ITEL, LLC 424      
336-837 4 Winston-Salem NC   829J PAETEC ITEL, LLC 424      
336-837 5 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424   2006-10-13   
336-837 6 Winston-Salem NC   829J PAETEC ITEL, LLC 424      
336-837 7 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424   2006-10-13   
336-837 8 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424   2006-06-12   
336-837 9 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424   2006-06-12   

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

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