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: CSVLTNXADS0

Remotes:

Switch Switch name Switch type
PLHLTNXARS0  PLEASANT HILL  RSC 
TANSTNXARS0  TANSI  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
931-456 A Crossville TN 4336 CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC 470      
931-459 A Crossville TN 4336 CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC 470      
931-484 A Crossville TN 4336 CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC 470      
931-707 A Crossville TN 4336 CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC 470      

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

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