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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-623 A Glenwillard PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
724-623 0 Glenwillard PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
724-623 1 Glenwillard PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
724-623 2 Glenwillard PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
724-623 3 Glenwillard PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
724-623 4 Glenwillard PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
724-623 5 Glenwillard PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
724-623 6 Glenwillard PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
724-623 7 Glenwillard PA BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234      
724-623 8 Glenwillard PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234      
724-623 9 Glenwillard PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.