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: 915

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-915 A Tremont IL PEORILPJXYX  224C ONVOY, LLC 368      
309-915 0 Tremont IL PEORILPJXMZ  624H ONVOY SPECTRUM, LLC 368   2024-05-13   
309-915 5 Tremont IL PEORILPJXYX  224C ONVOY, LLC 368   2021-12-08   
309-915 6 Tremont IL PEORILPJXYX  224C ONVOY, LLC 368   2021-12-08   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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