Local Calling Guide

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Switch: PHLAPAMK17Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-998 4 Oxford PA 784E BLOCK LINE SYSTEMS, LLC - PA 228   2010-03-26   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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