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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-301 A Toulon IL PRTNILXA9MD  224C ONVOY, LLC 368      
309-301 0 Toulon IL PEORILPJDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2026-04-20   
309-301 1 Toulon IL PEORILPJDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-02   
309-301 2 Toulon IL PRTNILXA9MD  224C ONVOY, LLC 368   2021-04-03   
309-301 3 Toulon IL PRTNILXA9MD  224C ONVOY, LLC 368   2021-02-12   
309-301 5 Toulon IL PRTNILXA9MD  224C ONVOY, LLC 368   2020-06-15   
309-301 6 Toulon IL PRTNILXA9MD  224C ONVOY, LLC 368   2022-12-03   
309-301 7 Toulon IL PEORILSCX0X  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368   2016-08-05   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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