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: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-455 A Chicago Zone 11-O'Hare IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-455 0 Chicago Zone 11-O'Hare IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-16   
773-455 1 Chicago Zone 11-O'Hare IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-12-09   
773-455 2 Chicago Zone 11-O'Hare IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2016-10-15   
773-455 3 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-03-22   
773-455 4 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-04-28   
773-455 5 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-05-22   
773-455 6 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-06-02   
773-455 7 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-06-13   
773-455 8 Chicago Zone 11-O'Hare IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-06-13   
773-455 9 Chicago Zone 11-O'Hare IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.