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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-500 A Rockford IL RCFRILRCX3X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 360      
779-500 0 Rockford IL RCFRILRTX4Y  318J COMCAST IP PHONE, LLC 360      
779-500 1 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
779-500 2 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
779-500 3 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
779-500 4 Rockford IL RCFRILRTTMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 360      
779-500 5 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
779-500 6 Rockford IL RCFRILRCX3X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 360      
779-500 7 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
779-500 8 Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
779-500 9 Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.