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 MDSRWIKEGMD  883K AHOI LLC 354   2026-07-26   
353-465 0 Madison WI   007F BANDWIDTH.COM CLEC, LLC - WI 354   2026-08-08   
353-465 1 Madison WI   225C ONVOY, LLC - WI 354   2026-08-21   
353-465 8 Madison WI MDSRWIKEGMD  883K AHOI LLC 354   2026-07-26   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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