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
773-862 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 358      
773-862 0 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 1 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 2 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 3 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 4 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 5 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 6 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 8 Chicago Zone 04-Humboldt IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2018-11-05   
773-862 9 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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