Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Mason City, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-360 A SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374      
217-360 0 SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374      
217-360 1 SPFDILESDS3  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374      
217-360 2 SPFDILES7MD  224C ONVOY, LLC 374      
217-360 3 SPFDILES7MD  224C ONVOY, LLC 374      
217-360 4 SPFDILES7MD  224C ONVOY, LLC 374      
217-360 5 SPFDILES7MD  224C ONVOY, LLC 374      
217-360 6 SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374      
217-360 7 SPFDILES7MD  224C ONVOY, LLC 374      
217-360 8 SPFDILES7MD  224C ONVOY, LLC 374      
217-360 9 SPFDILES7MD  224C ONVOY, LLC 374      
217-482 A MSCYILXCDS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 374      
447-257 A SPFDILES7MD  224C ONVOY, LLC 374      
447-257 0 SPFDILESXYX  495J STRATUS NETWORKS 374      
447-257 1 SPFDILMBWMD  073H TELNYX LLC 374      
447-257 2   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374      
447-257 4 SPFDILES7MD  224C ONVOY, LLC 374      
447-257 7 SPFDILES7MD  224C ONVOY, LLC 374      
447-257 8   624H ONVOY SPECTRUM, LLC 374      
447-257 9 SPFDILESX8Y  490J DISH WIRELESS, LLC 374      

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

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