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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-374 A Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-374 0 Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-374 1 Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-374 2 Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-374 3 Keithsburg IL RCISILRIX3X  224C ONVOY, LLC 634   2020-04-29   
309-374 4 Keithsburg IL DVNPIADTUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-06-08   
309-374 5 Keithsburg IL HMPNILXDAMD  495J STRATUS NETWORKS 634   2020-12-17   
309-374 6 Keithsburg IL RCISILRIX0X  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-31   
309-374 7 Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-374 8 Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      
309-374 9 Keithsburg IL KTBGILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 634      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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