Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chicago Zone 01-Calumet, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
872-899 9 CHCGILWURMD  965H FRACTEL, LLC 358      
872-910 A   224C ONVOY, LLC 358      
872-910 0   224C ONVOY, LLC 358      
872-910 1 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
872-910 2 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
872-910 3 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
872-910 4 CHCGIL24DS6  224C ONVOY, LLC 358      
872-910 5 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
872-910 6 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
872-910 7 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
872-910 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
872-910 9 CHCGIL24DS6  224C ONVOY, LLC 358      

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

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