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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-291 A Herminie PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2025-04-26   
724-291 0 Herminie PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-291 1 Herminie PA PITBPAOKXUX  145J TERRA NOVA TELECOM INC. 234   2024-11-12   
724-291 2 Herminie PA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-03-28   
724-291 3 Herminie PA   829J PAETEC ITEL, LLC 234   2004-12-03   
724-291 4 Herminie PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-04-20   
724-291 5 Herminie PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-04-20   
724-291 6 Herminie PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-17   
724-291 8 Herminie PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-12-12   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.