Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-268 A Chicago Zone 01-Superior IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 0 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 1 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 2 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 3 Chicago Zone 01-Superior IL   9329 AMERITECH ILLINOIS 358   2000-09-28   
312-268 4 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 5 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 6 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 7 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 8 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-268 9 Chicago Zone 01-Superior IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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