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: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 776

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-776 A Pittsburgh Suburban Zone 15 PA PITBPADGDS5  7421 AT&T - LOCAL 234      
412-776 0 Pittsburgh Suburban Zone 15 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-03-11   
412-776 1 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234   2010-11-08   
412-776 2 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234   2010-11-08   
412-776 3 Pittsburgh Suburban Zone 15 PA PITBPAMADS4  657B CITYNET PENNSYLVANIA, LLC - PA 234   2004-10-10   
412-776 4 Pittsburgh Suburban Zone 15 PA PITBPAMAEMD  3210 CAVALIER TELEPHONE MID-ATLANTIC, LLC - PA 234   2007-08-23   
412-776 5 Pittsburgh Suburban Zone 15 PA PITBPAMAEMD  3210 CAVALIER TELEPHONE MID-ATLANTIC, LLC - PA 234   2007-08-23   
412-776 6 Pittsburgh Suburban Zone 15 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-03-11   
412-776 7 Pittsburgh Suburban Zone 15 PA GPIAPAMTRP0  9208 VERIZON PENNSYLVANIA, INC. 234   2006-04-04   
412-776 8 Pittsburgh Suburban Zone 15 PA GPIAPAMTRP0  9208 VERIZON PENNSYLVANIA, INC. 234   2006-04-04   
412-776 9 Pittsburgh Suburban Zone 15 PA PITBPADGDS5  7421 AT&T - LOCAL 234      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.