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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-364 A Buffalo IL BFLOILBFRS0  9329 AMERITECH ILLINOIS 374      
217-364 0 Buffalo IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2018-11-02   
217-364 1 Buffalo IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 374   2010-06-20   
217-364 2 Buffalo IL   259E YMAX COMMUNICATIONS CORP. - IL 374   2009-03-13   
217-364 3 Buffalo IL   259E YMAX COMMUNICATIONS CORP. - IL 374   2009-03-13   
217-364 4 Buffalo IL   9329 AMERITECH ILLINOIS 374      
217-364 5 Buffalo IL   9329 AMERITECH ILLINOIS 374      
217-364 6 Buffalo IL   259E YMAX COMMUNICATIONS CORP. - IL 374   2009-09-28   
217-364 7 Buffalo IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2004-07-16   
217-364 8 Buffalo IL   224C ONVOY, LLC 374   2013-11-29   
217-364 9 Buffalo IL   9329 AMERITECH ILLINOIS 374      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.