Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Monessen, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
878-253 0 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2023-08-27   
878-253 1 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-10-09   
878-253 6 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-02-24   
878-253 7 PITBPAOKXWX  516J TON80 COMMUNICATIONS, LLC 234   2022-03-11   
878-253 8   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2025-08-11   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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