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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-303 A Elbert TX WCFLTXNIX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 548      
940-303 9 Elbert TX WCFLTXNIX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 548   2014-11-28   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.