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: 205

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-205 A Greenup IL MTONILXCRMD  224C ONVOY, LLC 976      
447-205 5 Greenup IL MTONILXCRMD  224C ONVOY, LLC 976   2021-09-13   
447-205 6 Greenup IL MTONILXCRMD  224C ONVOY, LLC 976   2021-09-13   
447-205 7 Greenup IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2026-05-29   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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