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: 871

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-871 A Pittsburgh Suburban Zone 23 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-871 0 Pittsburgh Suburban Zone 23 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-871 1 Pittsburgh Suburban Zone 23 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-871 2 Pittsburgh Suburban Zone 23 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-871 3 Pittsburgh Suburban Zone 23 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-03-18   
724-871 4 Pittsburgh Suburban Zone 23 PA BLWXPAAT0MD  506J TWILIO INTERNATIONAL, INC. 234   2021-01-31   
724-871 5 Pittsburgh Suburban Zone 23 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
724-871 6 Pittsburgh Suburban Zone 23 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-20   
724-871 7 Pittsburgh Suburban Zone 23 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2003-08-20   
724-871 8 Pittsburgh Suburban Zone 23 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2011-10-27   
724-871 9 Pittsburgh Suburban Zone 23 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.