Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-483 A ALMTILXEDS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-738 A STLSMO05RMD  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-738 0 STLSMO05RMD  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-738 1   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520      
618-738 2 STLSMOWQDS2  224C ONVOY, LLC 520      
618-738 3 STLSMOWQDS2  224C ONVOY, LLC 520      
618-738 7 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520      
618-738 8 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520      
618-881 A   593K MCC TELEPHONY LLC 520      
618-881 0   593K MCC TELEPHONY LLC 520      
618-881 1 STLSMOWQDS2  224C ONVOY, LLC 520      
618-881 2 STLSMOWQDS2  224C ONVOY, LLC 520      
618-881 3 STLSMOWQDS2  224C ONVOY, LLC 520      
618-881 4 STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520      
618-881 7 COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
618-881 8 COVLILCQXMX  495J STRATUS NETWORKS 520      
618-881 9 STLSMOWQ8MD  073H TELNYX LLC 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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