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
773-782 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 358      
773-782 0 Chicago Zone 04-Humboldt IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-09-01   
773-782 1 Chicago Zone 04-Humboldt IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2018-07-15   
773-782 2 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-782 3 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-782 4 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-782 5 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2007-11-24   
773-782 6 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-10   
773-782 7 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2007-11-24   
773-782 8 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-782 9 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2015-10-29   

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

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