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: 849

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-849 A Sublette IL SBLTILXARS0  1036 FRONTIER NORTH, INC. - IL 364      
815-849 0 Sublette IL DIXNILXA3MD  073H TELNYX LLC 364   2020-07-20   
815-849 1 Sublette IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364   2022-04-17   
815-849 2 Sublette IL CHCGIL24XMD  495J STRATUS NETWORKS 364   2020-10-14   
815-849 3 Sublette IL DKLBILXAXEX  624H ONVOY SPECTRUM, LLC 364   2023-07-07   
815-849 4 Sublette IL DIXNILXA4MD  224C ONVOY, LLC 364   2018-10-01   
815-849 5 Sublette IL SBLTILXARS0  1036 FRONTIER NORTH, INC. - IL 364      
815-849 6 Sublette IL DIXNILXA4MD  224C ONVOY, LLC 364   2021-04-03   
815-849 7 Sublette IL DIXNILXAEMD  508J CENTURYLINK COMMUNICATIONS, LLC 364   2014-08-08   
815-849 8 Sublette IL DIXNILXA4MD  224C ONVOY, LLC 364   2019-09-07   
815-849 9 Sublette IL SBLTILXARS0  1036 FRONTIER NORTH, INC. - IL 364      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.