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: KNVLIAXCPS0

Remotes:

Switch Switch name Switch type
GRVTIAXORP0  GRAVITY  RP 
LACNIAXORP0  LACONA  RP 
LGTNIAXORP0  LEIGHTON  RP 
NWVRIAXORP0  NEW VIRGINIA  RP 
PERUIAXORP0  PERU  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-421 A Des Moines IA 938D WINDSTREAM IT-COMM, LLC - IA 632      
515-421 1 Des Moines IA 938D WINDSTREAM IT-COMM, LLC - IA 632   2011-02-03   
515-954 A Des Moines IA 938D WINDSTREAM IT-COMM, LLC - IA 632      
515-954 1 Des Moines IA 938D WINDSTREAM IT-COMM, LLC - IA 632   2009-02-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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