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: NPVLILNEDS0

Remotes:

Switch Switch name Switch type
NPVLILBJRS0  NAPERVILLE  ORM 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-857 7 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 A Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 0 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 1 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 2 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 3 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 4 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 5 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 6 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 8 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-955 9 Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      
630-979 A Naperville Northeast IL 9329 ILLINOIS BELL TEL CO 358      

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

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