Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-292 A Winchester IL JCVLILAAXMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 376   2024-05-27   
447-292 0 Winchester IL JCVLILAAXMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 376   2024-11-21   
447-292 1 Winchester IL JCVLILAAXMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 376   2024-11-21   
447-292 9 Winchester IL JCVLILAAXMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 376   2024-05-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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