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: 891

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-891 A Knoxville IL GLBGILXDNMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977      
309-891 8 Knoxville IL GLBGILXDNMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2024-03-31   
309-891 9 Knoxville IL GLBGILXDNMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-10-16   

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

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