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: ONEDTNXADS1

Remotes:

Switch Switch name Switch type
DRLDTNXARS0  DEER LODGE  DS 
HNVITNXARS0  HUNTSVILLE  DLM 
OKDLTNXARS0  OAKDALE  DMT 
PNKNKYXARS0  PINE KNOT  DLM 
PTRSTNXARS0  PETROS  DS 
RBNSTNXARS0  ROBBINS  DLM 
SNBRTNXARS0  SUNBRIGHT  DMT 
STRNKYXARS0  STEARNS  DLM 
WABGTNXARS0  WARTBURG  DMT 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-286 A Oneida TN 0565 HIGHLAND TEL. COOP, INC. 474      
423-569 A Oneida TN 0565 HIGHLAND TEL. COOP, INC. 474      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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