Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-376 A Emden IL EMDNILXCRS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 366      
217-376 0 Emden IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
217-376 1 Emden IL   1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 366      
217-376 3 Emden IL   1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 366      
217-376 7 Emden IL   508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-13   
217-376 8 Emden IL   624H ONVOY SPECTRUM, LLC 366   2024-04-08   
217-376 9 Emden IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 366   2025-09-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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