Local Calling Guide

Area code/prefix search

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NPA: 570 [Rate centres in NPA 570] [Dial plan for NPA 570]

NXX: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-922 A Mifflinburg PA HRTNPAXHRP0  0151 WINDSTREAM BUFFALO VALLEY, INC. 232      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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