Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-437 A Rockport IL RCPTILXCRS0  1015 FRONTIER NORTH, INC. - IL 376      
217-437 0 Rockport IL JCVLILHS0MD  939H COMMIO, LLC 376   2022-10-15   
217-437 1 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376   2023-08-28   
217-437 2 Rockport IL RCPTILXCRS0  1015 FRONTIER NORTH, INC. - IL 376      
217-437 3 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376   2020-04-19   
217-437 4 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376   2022-02-27   
217-437 6 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376   2021-07-05   
217-437 7 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376   2021-04-04   
217-437 8 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376   2023-05-04   
217-437 9 Rockport IL JCVLILXCX6X  624H ONVOY SPECTRUM, LLC 376   2023-07-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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