Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-627 A TPVLILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-627 0 CRDLILXEXJX  073H TELNYX LLC 362   2020-07-20   
618-627 1 CRDLILXEXYX  624H ONVOY SPECTRUM, LLC 362   2023-06-30   
618-627 2 TPVLILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-627 3 HRBGILCBDS0  9915 MCC NETWORK SERVICES, LLC 362   2003-02-03   
618-627 4 TPVLILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-627 5 CRDLILXEX8X  224C ONVOY, LLC 362   2019-09-08   
618-627 6 CRDLILXEX8X  224C ONVOY, LLC 362   2018-10-01   
618-627 7 CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2005-02-14   
618-627 8 CRDLIL13AMD  495J STRATUS NETWORKS 362   2020-12-19   
618-627 9   145J TERRA NOVA TELECOM INC. 362   2025-08-01   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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