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.

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      
217-437 1 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376      
217-437 2 Rockport IL RCPTILXCRS0  1015 FRONTIER NORTH, INC. - IL 376      
217-437 3 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376      
217-437 4 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376      
217-437 6 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376      
217-437 7 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376      
217-437 8 Rockport IL JCVLILXCDMD  224C ONVOY, LLC 376      
217-437 9 Rockport IL JCVLILXCX6X  624H ONVOY SPECTRUM, LLC 376      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.