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: 724 [Rate centres in NPA 724] [Dial plan for NPA 724]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-240 A Ambridge PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-240 0 Ambridge PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-240 1 Ambridge PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-240 2 Ambridge PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-240 3 Ambridge PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2012-10-06   
724-240 6 Ambridge PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-22   
724-240 8 Ambridge PA GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2012-05-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.