Local Calling Guide

Area code/prefix search

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Switch: HRBGPAHA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-686 A Harrisburg City Zone-1 PA 784E BLOCK LINE SYSTEMS, LLC - PA 226      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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