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: 478 [Rate centres in NPA 478] [Dial plan for NPA 478]

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
478-677 A Dudley GA DBLNGACB0MD  781C CHARTER FIBERLINK - GEORGIA, LLC - GA 446      
478-677 0 Dudley GA DBLNGACB0MD  781C CHARTER FIBERLINK - GEORGIA, LLC - GA 446   2018-06-08   
478-677 9 Dudley GA MACNGAGAX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 446   2021-03-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.