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: RNWDOKXADS0

Remotes:

Switch Switch name Switch type
ALINOKXARS0  ALINE  DMT 
CLSPOKXARS0  CLEO SPRINGS  DMT 
CRMNOKXARS0  CARMEN  DMT 
DACMOKXARS0  DACOMA  DMT 
HLNAOKXARS0  HELENA  DMT 
HPTNOKXARS1  HOPETON  RSC 
MENOOKXARS1  MENO  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-883 A Ringwood OK 2018 PIONEER TEL. COOP., INC. 536      

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

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