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: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-240 A Dunlap IL PEORILTCDS0  5800 ITV-3, LLC D/B/A I3 BROADBAND 368      
309-240 0 Dunlap IL   984E BANDWIDTH.COM CLEC, LLC - IL 368      
309-240 1 Dunlap IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 368   2010-03-15   
309-240 2 Dunlap IL   224C ONVOY, LLC 368   2019-09-06   
309-240 3 Dunlap IL   224C ONVOY, LLC 368   2019-09-06   
309-240 4 Dunlap IL   224C ONVOY, LLC 368   2020-10-15   
309-240 5 Dunlap IL   318J COMCAST IP PHONE, LLC 368   2006-08-09   
309-240 6 Dunlap IL   984E BANDWIDTH.COM CLEC, LLC - IL 368   2017-10-01   
309-240 7 Dunlap IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368   2016-08-06   
309-240 8 Dunlap IL   318J COMCAST IP PHONE, LLC 368   2007-09-23   
309-240 9 Dunlap IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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