Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 JCVLILHS0MD  939H COMMIO, LLC 376   2022-10-15   
217-437 1 JCVLILXCDMD  224C ONVOY, LLC 376   2023-08-28   
217-437 2 RCPTILXCRS0  1015 FRONTIER NORTH, INC. - IL 376      
217-437 3 JCVLILXCDMD  224C ONVOY, LLC 376   2020-04-19   
217-437 4 JCVLILXCDMD  224C ONVOY, LLC 376   2022-02-27   
217-437 6 JCVLILXCDMD  224C ONVOY, LLC 376   2021-07-05   
217-437 7 JCVLILXCDMD  224C ONVOY, LLC 376   2021-04-04   
217-437 8 JCVLILXCDMD  224C ONVOY, LLC 376   2023-05-04   
217-437 9 JCVLILXCX6X  624H ONVOY SPECTRUM, LLC 376   2023-07-07   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.