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: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-677 A Lake Zurich IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-677 0 Lake Zurich IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-677 1 Lake Zurich IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-677 2 Lake Zurich IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-677 3 Lake Zurich IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
224-677 4 Lake Zurich IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC. - IL 358      
224-677 5 Lake Zurich IL CHCGILCLXOX  516C AT&T CORP. 358      
224-677 6 Lake Zurich IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
224-677 7 Lake Zurich IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
224-677 8 Lake Zurich IL   829J PAETEC ITEL, LLC 358      
224-677 9 Lake Zurich IL CHCGIL24DS6  224C ONVOY, LLC 358      

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.