Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 640 [Rate centres in NPA 640] [Dial plan for NPA 640]

NXX: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-465 A Trenton NJ   883K AHOI LLC 222   2026-05-18   
640-465 8 Trenton NJ   883K AHOI LLC 222   2026-05-18   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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