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: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-594 A Neponset IL NPNSILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-594 0 Neponset IL KEWNILXDYMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-04-15   
309-594 1 Neponset IL PEORILPJDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-02   
309-594 2 Neponset IL NPNSILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-594 3 Neponset IL KEWNILXDFMD  624H ONVOY SPECTRUM, LLC 368   2023-07-08   
309-594 5 Neponset IL KEWNILXDIMD  224C ONVOY, LLC 368   2020-06-15   
309-594 8 Neponset IL PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-08-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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