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
773-256 A Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 AMERITECH ILLINOIS 358      
773-256 0 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 1 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 2 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 3 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 4 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 5 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 6 Chicago Zone 07-Hyde Park IL   9329 AMERITECH ILLINOIS 358      
773-256 7 Chicago Zone 07-Hyde Park IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-03-05   
773-256 8 Chicago Zone 07-Hyde Park IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-03-05   
773-256 9 Chicago Zone 07-Hyde Park IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2005-05-21   

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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