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: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-499 A Le Roy IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-499 0 Le Roy IL   145J TERRA NOVA TELECOM INC. 366   2022-11-02   
309-499 1 Le Roy IL BLTNILXDX1Y  073H TELNYX LLC 366   2020-07-13   
309-499 4 Le Roy IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-02-26   
309-499 6 Le Roy IL BLTNILXDX0X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 366   2019-08-16   
309-499 8 Le Roy IL BLTNILTSX1X  490J DISH WIRELESS, LLC 366   2023-11-13   
309-499 9 Le Roy IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2020-10-14   

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

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