Local Calling Guide

Area code/prefix search

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-270 A Washington Zone 8 VA ALXNVAAXDS0  9213 VERIZON VIRGINIA, INC. 236      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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