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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-670 A Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-10-18   
773-670 0 Chicago Zone 10-Beverly IL   624H ONVOY SPECTRUM, LLC 358      
773-670 6 Chicago Zone 10-Beverly IL   624H ONVOY SPECTRUM, LLC 358      
773-670 7 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-670 8 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-670 9 Chicago Zone 10-Beverly IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.