Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 570 [Rate centres in NPA 570] [Dial plan for NPA 570]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-450 A Hazleton PA HZTNPAHZDS0  9208 VERIZON PENNSYLVANIA, INC. 232      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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