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: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-579 A Kempton IL BLTNILXDXMX  224C ONVOY, LLC 366      
779-579 0 Kempton IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2021-06-27   
779-579 1 Kempton IL BLTNILXDX1Y  073H TELNYX LLC 366   2021-10-01   
779-579 2 Kempton IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-10-15   
779-579 3 Kempton IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-579 5 Kempton IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-08-19   
779-579 7 Kempton IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-06-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.