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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-364 A Chicago Zone 09-Mitchell IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-364 0 Chicago Zone 09-Mitchell IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
773-364 1 Chicago Zone 09-Mitchell IL CHCGIL24DS6  224C ONVOY, LLC 358   2004-09-15   
773-364 2 Chicago Zone 09-Mitchell IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2007-11-23   
773-364 3 Chicago Zone 09-Mitchell IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2006-10-08   
773-364 4 Chicago Zone 09-Mitchell IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2006-10-08   
773-364 5 Chicago Zone 09-Mitchell IL CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-364 6 Chicago Zone 09-Mitchell IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   
773-364 7 Chicago Zone 09-Mitchell IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-16   
773-364 8 Chicago Zone 09-Mitchell IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-16   
773-364 9 Chicago Zone 09-Mitchell IL CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-16   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.