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: 801

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-801 A Stronghurst IL MCMBILXDJMD  593K MCC TELEPHONY LLC 977      
309-801 0 Stronghurst IL   495J STRATUS NETWORKS 977   2021-02-28   
309-801 1 Stronghurst IL   593K MCC TELEPHONY LLC 977   2010-07-24   
309-801 2 Stronghurst IL   624H ONVOY SPECTRUM, LLC 977   2023-07-29   
309-801 3 Stronghurst IL   342F MTC COMMUNICATIONS, INC. - IL 977   2015-03-13   
309-801 4 Stronghurst IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-06-06   
309-801 7 Stronghurst IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 977   2014-07-29   
309-801 8 Stronghurst IL   224C ONVOY, LLC 977   2021-04-09   
309-801 9 Stronghurst IL   224C ONVOY, LLC 977   2020-03-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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