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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-345 A Byron IL RCFRILRTX2Y  965H FRACTEL, LLC 360      
779-345 0 Byron IL CHCGIL24XMD  495J STRATUS NETWORKS 360   2020-10-14   
779-345 1 Byron IL RCFRILRTXXX  073H TELNYX LLC 360   2021-03-20   
779-345 2 Byron IL RCFRILRTZMD  224C ONVOY, LLC 360   2020-10-23   
779-345 3 Byron IL RCFRILRTZMD  224C ONVOY, LLC 360   2020-10-23   
779-345 5 Byron IL RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2022-05-06   
779-345 6 Byron IL RCFRILRTX2Y  965H FRACTEL, LLC 360   2020-09-19   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.