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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-566 A Peoria IL PEORILPBDS0  9329 ILLINOIS BELL TEL CO 368      
309-566 0 Peoria IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 368   2017-02-03   
309-566 1 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 2 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 3 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 4 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 5 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 6 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 7 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 8 Peoria IL   9329 ILLINOIS BELL TEL CO 368      
309-566 9 Peoria IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 368   2011-04-14   

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

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