Local Calling Guide

Area code/prefix search

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Washington, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
878-243 A PITDPANG0MD  073H TELNYX LLC 234      
878-243 0   073H TELNYX LLC 234   2021-03-29   
878-243 1   547E ONVOY, LLC - PA 234   2024-03-09   
878-243 2   5562 METROPCS, INC. 234   2021-10-09   
878-243 3   490J DISH WIRELESS, LLC 234   2024-04-01   
878-243 4   318J COMCAST IP PHONE, LLC 234   2021-11-22   
878-243 5   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2024-10-01   
878-243 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2024-09-06   
878-243 7   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2024-09-28   
878-243 8   547E ONVOY, LLC - PA 234   2024-07-01   
878-243 9   547E ONVOY, LLC - PA 234   2024-05-03   
878-297 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-11-15   
878-297 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2025-11-19   
878-297 1   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2025-11-19   
878-297 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2025-11-17   
878-297 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-11-15   
878-880 A PITBPADTXYY  547E ONVOY, LLC - PA 234      
878-880 0   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2023-12-03   
878-880 1   547E ONVOY, LLC - PA 234   2020-07-11   
878-880 2   547E ONVOY, LLC - PA 234   2020-07-11   
878-880 3   547E ONVOY, LLC - PA 234   2020-07-11   
878-880 4   547E ONVOY, LLC - PA 234   2023-02-05   
878-880 5   547E ONVOY, LLC - PA 234   2023-03-09   
878-880 6   547E ONVOY, LLC - PA 234   2023-03-09   
878-880 7   624H ONVOY SPECTRUM, LLC 234   2021-11-25   
878-880 8   624H ONVOY SPECTRUM, LLC 234   2021-11-25   
878-880 9   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2024-09-28   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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