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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-278 A Donora PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-278 0 Donora PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-278 1 Donora PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-278 2 Donora PA BLWXPAAT0MD  506J TWILIO INTERNATIONAL, INC. 234   2021-01-19   
724-278 3 Donora PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-02-27   
724-278 4 Donora PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-04-20   
724-278 5 Donora PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-04-20   
724-278 6 Donora PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2021-01-10   
724-278 7 Donora PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-278 8 Donora PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2015-08-05   
724-278 9 Donora PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.