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: 547

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-547 A Lewistown IL LWTWILLTRS0  9329 ILLINOIS BELL TEL CO 368      
309-547 0 Lewistown IL   455H CENTURY ENTERPRISES, INC. - IL 368   2017-03-31   
309-547 1 Lewistown IL   9329 ILLINOIS BELL TEL CO 368      
309-547 2 Lewistown IL   9329 ILLINOIS BELL TEL CO 368      
309-547 3 Lewistown IL   9329 ILLINOIS BELL TEL CO 368      
309-547 4 Lewistown IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 368   2016-03-21   
309-547 5 Lewistown IL   9329 ILLINOIS BELL TEL CO 368      
309-547 6 Lewistown IL   9329 ILLINOIS BELL TEL CO 368      
309-547 7 Lewistown IL   9329 ILLINOIS BELL TEL CO 368      
309-547 8 Lewistown IL   508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-04   

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

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