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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-345 A Buffalo PA BFLOPAXBRS0  0201 VERIZON NORTH, INC. - PA (QUAKER ST) 234      
724-345 1 Buffalo PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-345 2 Buffalo PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-08-30   
724-345 3 Buffalo PA   0201 VERIZON NORTH, INC. - PA (QUAKER ST) 234      
724-345 4 Buffalo PA   318J COMCAST IP PHONE, LLC 234   2009-04-13   
724-345 5 Buffalo PA   547E ONVOY, LLC - PA 234   2016-04-14   
724-345 6 Buffalo PA   547E ONVOY, LLC - PA 234   2016-04-14   
724-345 7 Buffalo PA   508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-19   
724-345 8 Buffalo PA   0201 VERIZON NORTH, INC. - PA (QUAKER ST) 234      
724-345 9 Buffalo PA   073H TELNYX LLC 234   2021-03-06   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.