Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-677 A FYVLILXERS0  1036 FRONTIER NORTH, INC. - IL 520      
618-677 0   073H TELNYX LLC 520   2020-07-09   
618-677 1   224C ONVOY, LLC 520   2021-04-24   
618-677 2   1036 FRONTIER NORTH, INC. - IL 520      
618-677 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2023-03-03   
618-677 4   224C ONVOY, LLC 520   2019-07-29   
618-677 5   224C ONVOY, LLC 520   2019-07-29   
618-677 6   224C ONVOY, LLC 520   2018-07-29   
618-677 7   624H ONVOY SPECTRUM, LLC 520   2025-02-03   
618-677 8   495J STRATUS NETWORKS 520   2020-11-22   
618-677 9   1036 FRONTIER NORTH, INC. - IL 520      

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

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