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: SLPHOKXADS0

Remotes:

Switch Switch name Switch type
AAPKOKXARS0  ARDMORE AIR PARK  G15 
DGHROKXARS0  DOUGHERTY  G15 
PAOLOKXARS0  PAOLI  G15 
RSDLOKXARS0  ROSEDALE  G15 
SPRNOKXARS0  SPRINGER  G15 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-622 A Sulphur OK 1980 CHICKASAW TEL. CO. 536      

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

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