Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-437 A RCPTILXCRS0  1015 FRONTIER NORTH, INC. - IL 376      
217-437 0   939H COMMIO, LLC 376   2022-10-15   
217-437 1   224C ONVOY, LLC 376   2023-08-28   
217-437 2   1015 FRONTIER NORTH, INC. - IL 376      
217-437 3   224C ONVOY, LLC 376   2020-04-19   
217-437 4   224C ONVOY, LLC 376   2022-02-27   
217-437 6   224C ONVOY, LLC 376   2021-07-05   
217-437 7   224C ONVOY, LLC 376   2021-04-04   
217-437 8   224C ONVOY, LLC 376   2023-05-04   
217-437 9   624H ONVOY SPECTRUM, LLC 376   2023-07-07   

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

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