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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-257 A Tarentum PA PITBPAOKAMD  3806 CORE COMMUNICATIONS, INC. - PA 234      
724-257 0 Tarentum PA PITBPAKBGT0  3806 CORE COMMUNICATIONS, INC. - PA 234      
724-257 1 Tarentum PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
724-257 2 Tarentum PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
724-257 3 Tarentum PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
724-257 4 Tarentum PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
724-257 5 Tarentum PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
724-257 6 Tarentum PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
724-257 7 Tarentum PA BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234      
724-257 8 Tarentum PA   515J IP HORIZON LLC 234      
724-257 9 Tarentum PA   3806 CORE COMMUNICATIONS, INC. - PA 234      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.