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: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 868

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-868 A McConnell IL MCCNILXARS1  1036 FRONTIER NORTH, INC. - IL 360      
815-868 0 McConnell IL FRPTILXAJMD  624H ONVOY SPECTRUM, LLC 360   2024-10-31   
815-868 1 McConnell IL FRPTILXACMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-06-28   
815-868 2 McConnell IL MCCNILXARS1  1036 FRONTIER NORTH, INC. - IL 360      
815-868 4 McConnell IL RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2022-04-17   
815-868 6 McConnell IL FRPTILXAMMD  224C ONVOY, LLC 360   2020-07-18   
815-868 8 McConnell IL FRPTILXAMMD  224C ONVOY, LLC 360   2021-04-02   
815-868 9 McConnell IL MCCNILXARS1  1036 FRONTIER NORTH, INC. - IL 360      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.