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: 886

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
309-886 A Washington IL WASHILXDRS3  1015 FRONTIER NORTH, INC. - IL 368      
309-886 0 Washington IL   224C ONVOY, LLC 368   2019-07-15   
309-886 1 Washington IL   495J STRATUS NETWORKS 368   2020-08-03   
309-886 2 Washington IL   1015 FRONTIER NORTH, INC. - IL 368      
309-886 3 Washington IL   318J COMCAST IP PHONE, LLC 368   2012-03-09   
309-886 4 Washington IL   1015 FRONTIER NORTH, INC. - IL 368      
309-886 5 Washington IL   984E BANDWIDTH.COM CLEC, LLC - IL 368   2021-06-25   
309-886 6 Washington IL   224C ONVOY, LLC 368   2018-08-02   
309-886 7 Washington IL   624H ONVOY SPECTRUM, LLC 368   2024-05-13   
309-886 8 Washington IL   939H COMMIO, LLC 368   2022-10-23   
309-886 9 Washington IL   224C ONVOY, LLC 368   2019-07-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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