Local Calling Guide

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

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-576 A Mossville IL MSVLILXDRS0  1015 FRONTIER NORTH, INC. - IL 368      
309-576 0 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 1 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 2 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 3 Mossville IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-03-15   
309-576 4 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 5 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 6 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 7 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 8 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      
309-576 9 Mossville IL   1015 FRONTIER NORTH, INC. - IL 368      

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

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