Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Avon, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-465 A AVONILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 977      
309-975 A GLBGILXDDMD  224C ONVOY, LLC 977      
309-975 0 GLBGILXDDMD  224C ONVOY, LLC 977   2019-03-14   
309-975 1 GLBGILXD5MD  593K MCC TELEPHONY LLC 977   2010-07-24   
309-975 2 GLBGILXDDMD  224C ONVOY, LLC 977   2019-09-06   
309-975 3 GLBGILXDDMD  224C ONVOY, LLC 977   2021-06-13   
309-975 4 GLBGILXDNMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977   2021-09-14   
309-975 5 GLBGILXDDMD  224C ONVOY, LLC 977   2021-04-09   
309-975 7 MCMBILXDZMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 977   2014-06-10   
309-975 8 GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-02-28   
309-975 9 MCMBILXDWMD  073H TELNYX LLC 977   2020-06-04   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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