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: 628

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-628 A Divernon IL DVRNILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-628 0 Divernon IL   318J COMCAST IP PHONE, LLC 374   2006-08-09   
217-628 1 Divernon IL   1015 FRONTIER NORTH, INC. - IL 374      
217-628 2 Divernon IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2019-07-04   
217-628 3 Divernon IL   1015 FRONTIER NORTH, INC. - IL 374      
217-628 4 Divernon IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2019-07-29   
217-628 6 Divernon IL   224C ONVOY, LLC 374   2018-07-30   
217-628 7 Divernon IL   224C ONVOY, LLC 374   2019-07-27   
217-628 8 Divernon IL   318J COMCAST IP PHONE, LLC 374   2007-09-23   
217-628 9 Divernon IL   1015 FRONTIER NORTH, INC. - IL 374      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.