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: DAVSWVXADS0

Remotes:

Switch Switch name Switch type
CNVYWVXARS0  CANAAN VALLEY  DCN 
EGLNWVXARS0  EGLON  DC1 
HAMNWVXARS0  HARMAN  DCO 
PRSSWVXARS0  PARSONS  DC1 
THMSWVXARS0  THOMAS  DC1 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
304-259 A Davis WV 0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 256      

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

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