Local Calling Guide

Area code/prefix search

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NPA: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-336 A Mount Pulaski IL SPFDILESXTX  965H FRACTEL, LLC 374      
447-336 0 Mount Pulaski IL SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2024-05-25   
447-336 1 Mount Pulaski IL SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2022-08-06   
447-336 3 Mount Pulaski IL SPFDILES7MD  224C ONVOY, LLC 374   2021-08-12   
447-336 6 Mount Pulaski IL   145J TERRA NOVA TELECOM INC. 374   2025-06-01   
447-336 8 Mount Pulaski IL SPFDILESXTX  965H FRACTEL, LLC 374   2021-04-17   
447-336 9 Mount Pulaski IL SPFDILESX8Y  490J DISH WIRELESS, LLC 374   2023-07-07   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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