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: RKVLIN01DS0

Remotes:

Switch Switch name Switch type
DANAIN01RSA  DANA  5RS 
KGMNIN01RSC  KINGMAN  5RS 
MRSHIN01RSE  MARSHALL  5RS 
MTZMIN01RSF  MONTEZUMA  5RS 
RSDLIN01RSA  ROSEDALE  5RS 
WVLDIN01RSG  WAVELAND  5RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
765-569 A Rockville IN 9325 INDIANA BELL TEL CO INC 336      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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