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: 965

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-965 A Goodfield IL GDFDILABRS0  1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 368      
309-965 0 Goodfield IL   495J STRATUS NETWORKS 368   2020-08-03   
309-965 2 Goodfield IL   1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 368      
309-965 3 Goodfield IL   1000 FRONTIER COMMUNICATIONS OF THE CAROLINAS, INC - IL 368   2003-10-14   
309-965 4 Goodfield IL   224C ONVOY, LLC 368   2018-08-02   
309-965 5 Goodfield IL   145J TERRA NOVA TELECOM INC. 368   2025-06-06   
309-965 6 Goodfield IL   984E BANDWIDTH.COM CLEC, LLC - IL 368   2020-02-22   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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