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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-666 A Buckley IL CHMPILCPX7Y  965H FRACTEL, LLC 370      
447-666 0 Buckley IL CHMPILRAUMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 370   2023-08-03   
447-666 1 Buckley IL   624H ONVOY SPECTRUM, LLC 370   2024-05-16   
447-666 2 Buckley IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-05-09   
447-666 4 Buckley IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-04-04   
447-666 6 Buckley IL CHMPILCPX7Y  965H FRACTEL, LLC 370   2021-03-29   

Last updated: Wed, 01 Jan 2025 02:39:49 UTC

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