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: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-249 A Edelstein IL EDLSILXDRS0  1015 FRONTIER NORTH, INC. - IL 368      
309-249 0 Edelstein IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-01   
309-249 1 Edelstein IL   495J STRATUS NETWORKS 368   2020-08-02   
309-249 2 Edelstein IL   1015 FRONTIER NORTH, INC. - IL 368      
309-249 3 Edelstein IL   1015 FRONTIER NORTH, INC. - IL 368      
309-249 4 Edelstein IL   145J TERRA NOVA TELECOM INC. 368   2025-06-12   
309-249 5 Edelstein IL   224C ONVOY, LLC 368   2021-06-06   
309-249 6 Edelstein IL   224C ONVOY, LLC 368   2021-07-05   
309-249 8 Edelstein IL   984E BANDWIDTH.COM CLEC, LLC - IL 368   2020-02-22   
309-249 9 Edelstein IL   224C ONVOY, LLC 368   2021-04-03   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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