Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cuba, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-785 A CUBAILXDDS0  1015 FRONTIER NORTH, INC. - IL 368      
309-785 1   984E BANDWIDTH.COM CLEC, LLC - IL 368   2020-02-21   
309-785 2   224C ONVOY, LLC 368   2018-08-02   
309-785 3   224C ONVOY, LLC 368   2021-04-03   
309-785 4   624H ONVOY SPECTRUM, LLC 368   2021-07-22   
309-785 5   1015 FRONTIER NORTH, INC. - IL 368      
309-785 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 368   2026-01-18   
309-785 7   318J COMCAST IP PHONE, LLC 368   2008-06-15   
309-785 8   1015 FRONTIER NORTH, INC. - IL 368      
309-785 9   495J STRATUS NETWORKS 368   2020-08-03   

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

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