Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 353 [Rate centres in NPA 353] [Dial plan for NPA 353]

NXX: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
353-465 A Madison WI   883K AHOI LLC 354   2026-07-26   
353-465 8 Madison WI   883K AHOI LLC 354   2026-07-26   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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