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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-227 A Imperial PA PITBPADGYMD  7421 AT&T LOCAL 234      
724-227 0 Imperial PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-02-21   
724-227 1 Imperial PA   2514 US LEC OF PENNSYLVANIA, INC. 234   2002-04-22   
724-227 2 Imperial PA   2514 US LEC OF PENNSYLVANIA, INC. 234   2004-06-18   
724-227 3 Imperial PA   318J COMCAST IP PHONE LLC 234   2012-05-20   
724-227 4 Imperial PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2002-09-05   
724-227 5 Imperial PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2019-04-06   
724-227 6 Imperial PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2019-03-15   
724-227 7 Imperial PA   2514 US LEC OF PENNSYLVANIA, INC. 234   2012-06-29   
724-227 8 Imperial PA   2514 US LEC OF PENNSYLVANIA, INC. 234   2012-06-29   
724-227 9 Imperial PA   7421 AT&T LOCAL 234      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.