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: SPNCIATCDS1

Remotes:

Switch Switch name Switch type
ARPKIACORS3  ARNOLDS PARK  AXR 
ESVLIACORS3  ESTHERVILLE  AXR 
LKPKIACORS8  LAKE PARK  AXR 
LRNSIACORS8  LAURENS  AXR 
MLFRIACORS3  MILFORD  AXR 
PCHNIACORS3  POCAHONTAS  AXR 
SXRPIACORS2  SIOUX RAPIDS  AXR 
WHTNIACORS3  WAHPETON  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

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

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