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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-553 A Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
878-553 0 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 1 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 2 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 3 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 4 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 5 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 6 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 7 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 8 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-553 9 Pittsburgh Zone 1 PA PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2022-09-11   
878-587 A Enon Valley PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234      
878-587 0 Enon Valley PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2023-10-05   
878-587 1 Enon Valley PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-10-09   
878-598 A Ambridge PA PITBPAOKXWX  516J TON80 COMMUNICATIONS, LLC 234      
878-598 0 Ambridge PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2021-06-17   
878-598 1 Ambridge PA PITBPADTXSX  495J STRATUS NETWORKS 234   2021-06-19   
878-598 2 Ambridge PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
878-598 3 Ambridge PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
878-598 5 Ambridge PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-28   
878-598 6 Ambridge PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-07-22   
878-598 7 Ambridge PA PITBPAOKXWX  516J TON80 COMMUNICATIONS, LLC 234   2021-05-27   
878-598 8 Ambridge PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-06-22   
878-598 9 Ambridge PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2026-05-08   
878-599 A Pittsburgh Suburban Zone 14 PA PITBPAOKXWX  516J TON80 COMMUNICATIONS, LLC 234      
878-599 0 Pittsburgh Suburban Zone 14 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
878-599 1 Pittsburgh Suburban Zone 14 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
878-599 2 Pittsburgh Suburban Zone 14 PA PITBPAOKXWX  516J TON80 COMMUNICATIONS, LLC 234   2021-06-05   
878-599 3 Pittsburgh Suburban Zone 14 PA PITBPADTXDX  197D VONAGE AMERICA LLC 234   2021-07-16   
878-599 4 Pittsburgh Suburban Zone 14 PA PITBPAOKBMD  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2021-09-20   
878-599 5 Pittsburgh Suburban Zone 14 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-06-06   
878-599 6 Pittsburgh Suburban Zone 14 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-06-06   
878-599 7 Pittsburgh Suburban Zone 14 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-06-06   
878-599 8 Pittsburgh Suburban Zone 14 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-06-06   
878-599 9 Pittsburgh Suburban Zone 14 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-06-06   
878-600 A Pittsburgh Zone 1 PA PITBPAOKXUX  145J TERRA NOVA TELECOM INC. 234      
878-600 0 Pittsburgh Zone 1 PA   145J TERRA NOVA TELECOM INC. 234   2019-05-26   
878-600 1 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2019-05-27   
878-600 2 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 3 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 4 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 5 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 6 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 7 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 8 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-600 9 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2020-02-09   
878-626 A Pittsburgh Zone 7 PA PITBPAOKXWX  516J TON80 COMMUNICATIONS, LLC 234      
878-626 0 Pittsburgh Zone 7 PA PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2022-12-22   
878-626 1 Pittsburgh Zone 7 PA PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2024-12-05   
878-626 2 Pittsburgh Zone 7 PA PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2024-12-05   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.