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: 362

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-362 A Trivoli IL TRIVILTIRS0  9329 ILLINOIS BELL TEL CO 368      
309-362 0 Trivoli IL   224C ONVOY, LLC 368   2017-03-24   
309-362 1 Trivoli IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-01-10   
309-362 2 Trivoli IL   9329 ILLINOIS BELL TEL CO 368      
309-362 3 Trivoli IL   224C ONVOY, LLC 368   2019-07-15   
309-362 4 Trivoli IL   224C ONVOY, LLC 368   2019-07-15   
309-362 5 Trivoli IL   508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-06   
309-362 7 Trivoli IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368   2004-07-17   
309-362 8 Trivoli IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 368   2015-11-02   
309-362 9 Trivoli IL   073H TELNYX LLC 368   2018-07-20   

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

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