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: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-741 A Elmwood IL PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368      
309-741 1 Elmwood IL PEORILPJXMY  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-03-15   
309-741 2 Elmwood IL PEORILPJXYX  224C ONVOY, LLC 368   2018-08-02   
309-741 3 Elmwood IL PEORILPJXYX  224C ONVOY, LLC 368   2021-04-24   
309-741 4 Elmwood IL PEORILPJXDY  984E BANDWIDTH.COM CLEC, LLC - IL 368   2017-10-01   
309-741 5 Elmwood IL PEORILPJXYX  224C ONVOY, LLC 368   2019-09-06   
309-741 6 Elmwood IL PEORILPJXYX  224C ONVOY, LLC 368   2019-09-06   
309-741 9 Elmwood IL PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-08-02   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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