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: 295

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-295 A Chicago Zone 05-Merrimac IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-295 0 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 1 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 2 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 3 Chicago Zone 05-Merrimac IL   460K FIRST COMMUNICATIONS, LLC 358      
773-295 4 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 5 Chicago Zone 05-Merrimac IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-295 6 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 7 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 8 Chicago Zone 05-Merrimac IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 9 Chicago Zone 05-Merrimac IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.