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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-505 A Warsaw IL MCMBILXDJMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 977      
217-505 0 Warsaw IL GLBGILXDDMD  224C ONVOY, LLC 977   2020-03-13   
217-505 1 Warsaw IL MCMBILXDJMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 977   2010-06-18   
217-505 2 Warsaw IL GLBGILXDDMD  224C ONVOY, LLC 977   2023-05-07   
217-505 3 Warsaw IL CLCHILXDDS2  342F MTC COMMUNICATIONS, INC. - IL 977   2021-12-17   
217-505 4 Warsaw IL GLBGILXDDMD  224C ONVOY, LLC 977   2023-03-13   
217-505 5 Warsaw IL GLBGILXDDMD  224C ONVOY, LLC 977   2021-04-09   
217-505 7 Warsaw IL GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977   2014-07-29   
217-505 8 Warsaw IL GLBGILXDXMD  495J STRATUS NETWORKS 977   2021-02-28   
217-505 9 Warsaw IL MCMBILXDX9X  224C ONVOY, LLC 977   2023-09-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.