Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Little York, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-729 A LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 0   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 1   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 2   224C ONVOY, LLC 634   2020-04-29   
309-729 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 634   2016-10-31   
309-729 4   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 5   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 6   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 7   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 8   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 9   1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-806 A HMPNILXDAMD  495J STRATUS NETWORKS 634      
309-806 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2021-09-13   
309-806 1   495J STRATUS NETWORKS 634   2020-11-18   
309-806 3   224C ONVOY, LLC 634   2021-04-05   
309-806 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2023-06-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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