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: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-543 A Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 0 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 1 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 2 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 3 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 4 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 5 Havana IL PEORILPJXLY  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 368   2016-02-15   
309-543 6 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 7 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 8 Havana IL HAVNILXDRS0  1057 BRIGHTSPEED OF ILLINOIS, LLC 368      
309-543 9 Havana IL PEORILPJX1Z  508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-10-16   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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