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: RCHLSCXB32S

Remotes:

Switch Switch name Switch type
FTLWSCXARS0  FORT LAWN  RSC 
FTMLSCXB54S  FORT MILL  DMH 
FTMLSCXBRS0  FORT MILL  RSC 
HTSPSC07RS0  HEATH SPRINGS  RSC 
LNCSSCXA28S  LANCASTER  DMH 
LNCSSCXARS0  LANCASTER  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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