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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-747 A Barry IL JCVLILXCDMD  224C ONVOY, LLC 376      
447-747 4 Barry IL   224C ONVOY, LLC 376   2021-06-16   
447-747 7 Barry IL   224C ONVOY, LLC 376   2021-07-30   
447-747 8 Barry IL   224C ONVOY, LLC 376   2021-10-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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