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: 676

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-676 A Chicago Zone 05-Merrimac IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-676 0 Chicago Zone 05-Merrimac IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-676 1 Chicago Zone 05-Merrimac IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-676 2 Chicago Zone 05-Merrimac IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-676 3 Chicago Zone 05-Merrimac IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 4 Chicago Zone 05-Merrimac IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 5 Chicago Zone 05-Merrimac IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 6 Chicago Zone 05-Merrimac IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 7 Chicago Zone 05-Merrimac IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 8 Chicago Zone 05-Merrimac IL CHCGIL24DS6  224C ONVOY, LLC 358      
773-676 9 Chicago Zone 05-Merrimac IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 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.