Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 309 [Rate centres in NPA 309] [Dial plan for NPA 309]

NXX: 724

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-724 A Ellsworth IL ELWOILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-724 1 Ellsworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-724 2 Ellsworth IL   145J TERRA NOVA TELECOM INC. 366   2022-10-22   
309-724 3 Ellsworth IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2021-03-31   
309-724 4 Ellsworth IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366   2004-07-16   
309-724 5 Ellsworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-724 6 Ellsworth IL BLTNILXDX1Y  073H TELNYX LLC 366   2020-07-09   
309-724 7 Ellsworth IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
309-724 8 Ellsworth IL ELWOILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-724 9 Ellsworth IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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