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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-203 A Roberts IL CHMPILLWZMD  073H TELNYX LLC 370      
447-203 0 Roberts IL CHMPILLWZMD  073H TELNYX LLC 370   2021-05-24   
447-203 1 Roberts IL CHMPILCPX5Y  624H ONVOY SPECTRUM, LLC 370   2024-05-18   
447-203 2 Roberts IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-05-25   
447-203 3 Roberts IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-06-07   
447-203 5 Roberts IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-07-04   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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