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: DIXNILXADS0

Remotes:

Switch Switch name Switch type
GRDTILXARS0  GRAND DETOUR  RSS 
HRMNILXARS0  HARMON  RSC 
MTCAILXARS0  MOUNT CARROLL  RSS 
NLSNILXARS0  NELSON  RSC 
SVNNILXARS0  SAVANNA  RSS 
THSNILXARS0  THOMSON  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-284 A Dixon IL 1057 BRIGHTSPEED OF ILLINOIS, LLC 364      
815-285 A Dixon IL 1057 BRIGHTSPEED OF ILLINOIS, LLC 364      
815-288 A Dixon IL 1057 BRIGHTSPEED OF ILLINOIS, LLC 364      

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

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