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: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-723 A Pittsburgh Zone 4 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-723 0 Pittsburgh Zone 4 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-723 1 Pittsburgh Zone 4 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-723 2 Pittsburgh Zone 4 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-723 3 Pittsburgh Zone 4 PA PITBPAOKUMD  3210 CAVALIER TELEPHONE MID-ATLANTIC, LLC - PA 234      
412-723 4 Pittsburgh Zone 4 PA PITBPAOKUMD  3210 CAVALIER TELEPHONE MID-ATLANTIC, LLC - PA 234      
412-723 5 Pittsburgh Zone 4 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-723 6 Pittsburgh Zone 4 PA PITBPAOKX0X  4153 PAETEC COMMUNICATIONS, INC. - PA 234      
412-723 7 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-723 8 Pittsburgh Zone 4 PA PITBPADTXYY  547E ONVOY, LLC - PA 234      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.