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: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-843 A Alexis IL RCISILRIWMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634      
309-843 1 Alexis IL RCISILRIWMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634   2010-04-15   
309-843 3 Alexis IL DVNPIADTXQX  224C ONVOY, LLC 634   2021-04-05   
309-843 7 Alexis IL RCISILRIX0X  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-12   
309-843 8 Alexis IL DVNPIADTXQX  224C ONVOY, LLC 634   2020-04-29   
309-843 9 Alexis IL HMPNILXDAMD  495J STRATUS NETWORKS 634   2020-10-14   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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