Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: FTHLPA020MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-570 A Pittsburgh Zone 1 PA 0051 SHELCOMM 234   2024-02-09   

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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