Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-400 A Champion NC   792K CHARTER IP ENABLED SERVICES, LLC 424   2025-02-05   
336-400 0 Champion NC   792K CHARTER IP ENABLED SERVICES, LLC 424      
336-400 4 Champion NC GNBPNCEM5MD  965H FRACTEL, LLC 424      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.