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: 878 [Rate centres in NPA 878] [Dial plan for NPA 878]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-999 A Pittsburgh Zone 1 PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
878-999 0 Pittsburgh Zone 1 PA PITBPAOKCMD  551G NUSO, LLC 234   2016-03-19   
878-999 1 Pittsburgh Zone 1 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-03-01   
878-999 2 Pittsburgh Zone 1 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2015-12-21   
878-999 3 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-19   
878-999 4 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-19   
878-999 5 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-19   
878-999 6 Pittsburgh Zone 1 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2016-06-20   
878-999 7 Pittsburgh Zone 1 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-01-07   
878-999 8 Pittsburgh Zone 1 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-01-07   
878-999 9 Pittsburgh Zone 1 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2015-11-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.