Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
724-878 A LRPNWVXADS2  0277 WEST SIDE TEL CO 256      

Last updated: Sun, 17 May 2026 03:26:51 UTC

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