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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-931 A Peoria IL PEORILPJ02Z  490J DISH WIRELESS, LLC 368      
309-931 0 Peoria IL PEORILPJ06Z  6265 UNITED STATES CELLULAR - IL 368   2024-10-17   
309-931 1 Peoria IL PEORILPJ06Z  6265 UNITED STATES CELLULAR - IL 368   2024-10-17   
309-931 8 Peoria IL PEORILPJ06Z  6265 UNITED STATES CELLULAR - IL 368   2024-10-17   
309-931 9 Peoria IL PEORILPJ02Z  490J DISH WIRELESS, LLC 368   2023-06-01   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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