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: 854

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-854 A Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 0 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 1 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 2 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 3 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 4 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 5 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 6 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 7 Chicago Zone 05-Austin IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-854 8 Chicago Zone 05-Austin IL CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 9 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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