Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-379 A Chicago Zone 05-Austin IL CHCGILAURP0  9329 AMERITECH ILLINOIS 358      
773-379 0 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 1 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 2 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 3 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 4 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 5 Chicago Zone 05-Austin IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2019-10-22   
773-379 6 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 7 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      
773-379 8 Chicago Zone 05-Austin IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2019-10-22   
773-379 9 Chicago Zone 05-Austin IL   9329 AMERITECH ILLINOIS 358      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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