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: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-376 A Carlock IL CRLCILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-376 1 Carlock IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   
309-376 2 Carlock IL CRLCILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-376 3 Carlock IL CRLCILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-376 4 Carlock IL CRLCILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-376 5 Carlock IL BLTNILXDXMX  224C ONVOY, LLC 366   2020-05-21   
309-376 6 Carlock IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
309-376 7 Carlock IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-07-29   
309-376 8 Carlock IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366   2004-07-16   
309-376 9 Carlock IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-14   

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

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