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.

Petersburg, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-501 A SPFDILSDZMD  7421 AT&T LOCAL 374   2004-08-09   
217-501 0   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-30   
217-501 1   073H TELNYX LLC 374   2018-07-10   
217-501 2   259E YMAX COMMUNICATIONS CORP. - IL 374   2009-03-13   
217-501 3   259E YMAX COMMUNICATIONS CORP. - IL 374   2009-03-13   
217-501 4   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2004-08-10   
217-501 5   259E YMAX COMMUNICATIONS CORP. - IL 374   2009-03-13   
217-501 7   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2007-08-13   
217-501 8   516C AT&T CORP. 374   2012-12-07   
217-501 9   7421 AT&T LOCAL 374   2004-08-09   
217-632 A PTBGILPGRS0  9329 AMERITECH ILLINOIS 374      
217-632 0   9329 AMERITECH ILLINOIS 374      
217-632 2   9329 AMERITECH ILLINOIS 374      
217-632 3   9329 AMERITECH ILLINOIS 374      
217-632 4   9329 AMERITECH ILLINOIS 374      
217-632 5   9329 AMERITECH ILLINOIS 374      
217-632 6   224C ONVOY, LLC 374   2013-12-09   
217-632 7   9329 AMERITECH ILLINOIS 374      
217-632 8   224C ONVOY, LLC 374   2019-04-15   
217-632 9   224C ONVOY, LLC 374   2019-04-15   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.