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.

Pittsburgh Suburban Zone 23, PA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
724-861 6 IRWNPAIRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-861 7 IRWNPAIRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-861 8 IRWNPAIRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-861 9 IRWNPAIRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-863 A IRWNPAIRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-864 A IRWNPAIRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-871 A   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-871 0   145J TERRA NOVA TELECOM INC. 234   2025-04-09   
724-871 1   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-871 2   547E ONVOY, LLC - PA 234   2026-05-08   
724-871 3 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-03-18   
724-871 5   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-871 6 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-20   
724-871 7 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2003-08-20   
724-871 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2011-10-27   
724-978 A   829J PAETEC ITEL, LLC 234   2025-03-04   
724-978 0   829J PAETEC ITEL, LLC 234      
724-978 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2008-09-18   
724-978 2   829J PAETEC ITEL, LLC 234      
724-978 3 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-03-27   
724-978 4   829J PAETEC ITEL, LLC 234      
724-978 5   829J PAETEC ITEL, LLC 234      
724-978 6 PITBPAWY2MD  5562 METROPCS, INC. 234   2013-11-15   
724-978 7   829J PAETEC ITEL, LLC 234   2002-02-07   
724-978 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2013-10-13   
724-978 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-04-05   
878-234 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
878-234 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-10-09   
878-234 2 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2024-06-15   
878-234 3 PITBPADTX7X  073H TELNYX LLC 234   2024-12-13   
878-234 7 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-01   
878-234 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-01   
878-234 9 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2023-09-18   

<< 1 2

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.