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: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-797 A Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-797 0 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-797 1 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2022-08-27   
773-797 2 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-26   
773-797 3 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-797 4 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-03-08   
773-797 5 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-797 6 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-03-08   
773-797 7 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-04-09   
773-797 8 Chicago Zone 05-Austin IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-04-09   
773-797 9 Chicago Zone 05-Austin IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.