Local Calling Guide

Area code/prefix search

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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 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 1 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 2 DVNPIADTXQX  224C ONVOY, LLC 634   2020-04-29   
309-729 3 RCISILFP0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 634   2016-10-31   
309-729 4 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 5 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 6 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 7 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 8 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-729 9 LTYRILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-806 A HMPNILXDAMD  495J STRATUS NETWORKS 634      
309-806 0 DVNPIADTUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2021-09-13   
309-806 1 HMPNILXDAMD  495J STRATUS NETWORKS 634   2020-11-18   
309-806 3 DVNPIADTXQX  224C ONVOY, LLC 634   2021-04-05   
309-806 9 DVNPIADTUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2023-06-18   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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