Local Calling Guide

Area code/prefix search

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Danvers, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-504 A BLTNILATYMD  259E YMAX COMMUNICATIONS CORP. - IL 366      
309-504 0   224C ONVOY, LLC 366   2019-07-14   
309-504 1   224C ONVOY, LLC 366   2019-07-14   
309-504 2   073H TELNYX LLC 366   2020-07-06   
309-504 3   939H COMMIO, LLC 366   2022-11-07   
309-504 4   624H ONVOY SPECTRUM, LLC 366   2023-06-02   
309-504 5   224C ONVOY, LLC 366   2019-01-17   
309-504 6   490J DISH WIRELESS, LLC 366   2023-06-17   
309-504 7   508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-504 8   259E YMAX COMMUNICATIONS CORP. - IL 366   2011-04-06   
309-504 9   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-06   
309-951 A BLTNILATX6X  7421 AT&T - LOCAL 366   2024-02-27   
309-951 9   7421 AT&T - LOCAL 366   2024-02-27   
309-963 A DNVSILXDDS0  1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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