Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-278 A WDBNILXERS0  1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 520      
618-278 0   1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 520      
618-278 1   1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 520      
618-278 2   984E BANDWIDTH.COM CLEC, LLC - IL 520   2022-04-27   
618-278 3   073H TELNYX LLC 520   2020-07-20   
618-278 4   1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 520      
618-278 5   224C ONVOY, LLC 520   2019-07-29   
618-278 6   224C ONVOY, LLC 520   2019-07-29   
618-278 7   224C ONVOY, LLC 520   2021-07-22   
618-278 8   224C ONVOY, LLC 520   2018-07-29   
618-278 9   1055 FRONTIER COMMUNICATIONS-MIDLAND, INC. 520      
730-219 A STLSMOWQDS2  224C ONVOY, LLC 520      
730-219 0   624H ONVOY SPECTRUM, LLC 520   2025-01-04   
730-219 2   224C ONVOY, LLC 520   2023-11-12   

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

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