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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-318 A Arlington Heights IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
224-318 0 Arlington Heights IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
224-318 1 Arlington Heights IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
224-318 2 Arlington Heights IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
224-318 3 Arlington Heights IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-318 4 Arlington Heights IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358      
224-318 5 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
224-318 6 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
224-318 7 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
224-318 8 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
224-318 9 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 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.