Local Calling Guide

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

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-300 A New Castle PA PITBPAOKX0Y  490J BOOST SUBSCRIBERCO L.L.C. 234      
878-300 0 New Castle PA   547E ONVOY, LLC - PA 234   2026-03-22   
878-300 3 New Castle PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-02-05   
878-300 4 New Castle PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-03-09   
878-300 6 New Castle PA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-12-01   
878-300 7 New Castle PA PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2024-08-11   
878-300 8 New Castle PA PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2023-12-11   
878-300 9 New Castle PA PITBPAOKX0Y  490J BOOST SUBSCRIBERCO L.L.C. 234   2022-02-11   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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