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.

Switch: GNBONCEU74Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-390 8 Timberlake NC 775C CHARTER FIBERLINK NC-CCO, LLC - NC 424   2018-02-03   
336-647 A Roxboro NC 775C CHARTER FIBERLINK NC-CCO, LLC - NC 424      
336-647 4 Roxboro NC 775C CHARTER FIBERLINK NC-CCO, LLC - NC 424   2018-02-03   
336-647 5 Roxboro NC 775C CHARTER FIBERLINK NC-CCO, LLC - NC 424   2019-08-11   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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