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: CMDNALXADS0

Remotes:

Switch Switch name Switch type
CTHRALXARS0  CATHERINE  DCL 
THMTALXARS0  THOMASTON  DCL 
VRBGALXARS0  VREDENBURGH  DCL 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
334-682 A Camden AL 4464 FRONTIER COMMUNICATIONS OF THE SOUTH, LLC - AL 478      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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