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: 368

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-368 A Lostant IL LSTNILXARS0  1015 FRONTIER NORTH, INC. - IL 366      
815-368 1 Lostant IL LSTNILXARS0  1015 FRONTIER NORTH, INC. - IL 366      
815-368 2 Lostant IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-09-06   
815-368 3 Lostant IL LSTNILXARS0  1015 FRONTIER NORTH, INC. - IL 366      
815-368 4 Lostant IL BLTNILXDXMX  224C ONVOY, LLC 366   2020-06-20   
815-368 5 Lostant IL BLTNILXDXMX  224C ONVOY, LLC 366   2020-06-20   
815-368 6 Lostant IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-01-17   
815-368 7 Lostant IL BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-12   
815-368 8 Lostant IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-15   
815-368 9 Lostant IL BLTNILXDXMX  224C ONVOY, LLC 366   2019-07-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.