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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-599 A Tuscola IL CHMPILCPXHX  593K MCC TELEPHONY LLC 370      
217-599 0 Tuscola IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-10-31   
217-599 1 Tuscola IL CHMPILCPXHX  593K MCC TELEPHONY LLC 370   2010-03-25   
217-599 2 Tuscola IL CHMPILCPX0Y  073H TELNYX LLC 370   2020-07-20   
217-599 3 Tuscola IL CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-599 4 Tuscola IL CHMPILRAUMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 370   2017-10-06   
217-599 5 Tuscola IL CHMPILCPOMD  224C ONVOY, LLC 370   2018-10-07   
217-599 6 Tuscola IL CHMPILCPOMD  224C ONVOY, LLC 370   2019-07-05   
217-599 7 Tuscola IL CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-17   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.