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: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-550 A La Grange IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-550 0 La Grange IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
708-550 1 La Grange IL   515J IP HORIZON LLC 358      
708-550 2 La Grange IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
708-550 3 La Grange IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
708-550 4 La Grange IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
708-550 6 La Grange IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
708-550 7 La Grange IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
708-550 8 La Grange IL CHCGIL24DS6  224C ONVOY, LLC 358      
708-550 9 La Grange IL CHCGIL245MD  073H TELNYX 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.