Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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New Castle, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
878-300 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-02-05   
878-300 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-03-09   
878-300 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-12-01   
878-300 7 PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2024-08-11   
878-300 8 PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2023-12-11   
878-300 9 PITBPAOKX0Y  490J DISH WIRELESS, LLC 234   2022-02-11   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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