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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-278 A Grand Ridge IL BLTNILTSYMD  495J STRATUS NETWORKS 366      
779-278 0 Grand Ridge IL BLTNILXDX1Y  073H TELNYX LLC 366   2021-10-01   
779-278 1 Grand Ridge IL BLTNILTSYMD  495J STRATUS NETWORKS 366   2021-05-15   
779-278 2 Grand Ridge IL BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-278 4 Grand Ridge IL BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2022-04-21   
779-278 7 Grand Ridge IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-09-10   
779-278 8 Grand Ridge IL BLTNILXDXMX  224C ONVOY, LLC 366   2021-08-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.