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: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-379 A Stanford IL STFRILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-379 0 Stanford IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-379 1 Stanford IL BLTNILXDXMX  224C ONVOY, LLC 366      
309-379 2 Stanford IL STFRILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-379 3 Stanford IL STFRILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-379 4 Stanford IL STFRILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-379 5 Stanford IL BLTNILXDXMX  224C ONVOY, LLC 366      
309-379 6 Stanford IL   145J TERRA NOVA TELECOM INC. 366      
309-379 7 Stanford IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366      
309-379 8 Stanford IL BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
309-379 9 Stanford IL BLTNILXDXMX  224C ONVOY, LLC 366      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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