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: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-888 A Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360      
779-888 0 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360   2015-06-14   
779-888 1 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-08-03   
779-888 2 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-08-03   
779-888 3 Rockford IL RCFRILRCJMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 360   2015-07-11   
779-888 4 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-08-03   
779-888 5 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-08-03   
779-888 6 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-08-03   
779-888 7 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-03-30   
779-888 8 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-03-30   
779-888 9 Rockford IL RCFRILRTZMD  224C ONVOY, LLC 360   2015-03-30   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.