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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-256 A Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234      
724-256 0 Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2006-10-27   
724-256 1 Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2006-10-27   
724-256 2 Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2007-02-27   
724-256 3 Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2007-02-27   
724-256 4 Butler PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2011-09-10   
724-256 5 Butler PA MPTSPA020MD  422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234   2007-12-10   
724-256 6 Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2007-12-14   
724-256 7 Butler PA CRAFPAAIGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2007-12-14   
724-256 8 Butler PA MPTSPA020MD  422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234   2008-10-18   
724-256 9 Butler PA MPTSPA020MD  422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234   2010-02-06   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.