Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Sheffield, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-432 A SHFDIL010MD  4837 MTCO COMMUNICATIONS, INC. 368      
815-454 A SHFDILXARS0  1015 FRONTIER NORTH, INC. - IL 368      
815-454 0 PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368   2003-06-09   
815-454 1 PEORILPJXDZ  495J STRATUS NETWORKS 368   2020-08-08   
815-454 2 SHFDILXARS0  1015 FRONTIER NORTH, INC. - IL 368      
815-454 3 PEORILPJXYX  224C ONVOY, LLC 368   2021-04-03   
815-454 4 PEORILPJXYX  224C ONVOY, LLC 368   2021-05-09   
815-454 5 PEORILPJXYX  224C ONVOY, LLC 368   2020-06-15   
815-454 6 KEWNILXDFMD  624H ONVOY SPECTRUM, LLC 368   2023-07-08   
815-454 7 PEORILPJX1Z  508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-05   
815-454 8 KEWNILXDYMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-04-15   
815-454 9 PEORILPJXYX  224C ONVOY, LLC 368   2021-08-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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