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: RFRMALXADS0

Remotes:

Switch Switch name Switch type
ETVLALXARS0  ETHELSVILLE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
205-375 A Reform AL 9789 CENTURYTEL TEL AL LLC (NORTHERN) DBA CENTURYLINK 476      

Last updated: Fri, 03 Nov 2023 21:02:38 UTC

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