Local Calling Guide

Area code/prefix search

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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-483 A Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 0 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 1 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 2 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 3 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-18   
773-483 4 Chicago Zone 07-Stewart IL   490J DISH WIRELESS, LLC 358   2025-10-26   
773-483 5 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 6 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 7 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-483 8 Chicago Zone 07-Stewart IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-05-16   
773-483 9 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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