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: PRTNINXADS0

Remotes:

Switch Switch name Switch type
CYNTINXARS0  CYNTHIANA  5BR 
FRNCINXARS0  FRANCISCO  5BR 
FTBRINXARS0  FORT BRANCH  5BR 
MCKYINXARS0  MACKEY  5BR 
OKCYINXARS0  OAKLAND CITY  5ER 
OWVLINXARS0  OWENSVILLE  5ER 
PATKINXARS0  PATOKA  5BR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
812-385 A Princeton IN 0779 FRONTIER NORTH, INC. - IN 330      
812-387 A Princeton IN 0779 FRONTIER NORTH, INC. - IN 330      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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