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: 595

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-595 A Neponset IL PRTNILXA9MD  224C ONVOY, LLC 368      
309-595 5 Neponset IL PRTNILXA9MD  224C ONVOY, LLC 368   2021-02-12   
309-595 7 Neponset IL PEORILPJX1Z  508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-04   
309-595 9 Neponset IL PRTNILXA9MD  224C ONVOY, LLC 368   2021-04-03   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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