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: 202

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-202 A Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 0 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 1 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 2 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 3 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 4 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 5 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 6 Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-12-11   
773-202 7 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 8 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-202 9 Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.