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: 756

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-756 A Rock Island IL MILNILMIDS0  9329 ILLINOIS BELL TEL CO 634      
309-756 0 Rock Island IL   9329 ILLINOIS BELL TEL CO 634      
309-756 1 Rock Island IL   9329 ILLINOIS BELL TEL CO 634      
309-756 2 Rock Island IL   9329 ILLINOIS BELL TEL CO 634      
309-756 3 Rock Island IL   9329 ILLINOIS BELL TEL CO 634      
309-756 4 Rock Island IL   9329 ILLINOIS BELL TEL CO 634      
309-756 5 Rock Island IL   9329 ILLINOIS BELL TEL CO 634      
309-756 6 Rock Island IL   5562 METROPCS, INC. 634   2007-07-20   
309-756 7 Rock Island IL   5562 METROPCS, INC. 634   2007-07-20   
309-756 8 Rock Island IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 634   2008-10-06   
309-756 9 Rock Island IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2016-03-24   

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

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