Local Calling Guide

Area code/prefix search

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Stronghurst, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-801 A MCMBILXDJMD  593K MCC TELEPHONY LLC 977      
309-801 0   495J STRATUS NETWORKS 977   2021-02-28   
309-801 1   593K MCC TELEPHONY LLC 977   2010-07-24   
309-801 2   624H ONVOY SPECTRUM, LLC 977   2023-07-29   
309-801 3   342F MTC COMMUNICATIONS, INC. - IL 977   2015-03-13   
309-801 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-06-06   
309-801 7   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 977   2014-07-29   
309-801 8   224C ONVOY, LLC 977   2021-04-09   
309-801 9   224C ONVOY, LLC 977   2020-03-13   
309-924 A STRNILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      

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

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