Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 534 [Rate centres in NPA 534] [Dial plan for NPA 534]

NXX: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-243 A Hudson WI   225C ONVOY, LLC - WI 352   2025-10-03   
534-243 0 Hudson WI   225C ONVOY, LLC - WI 352   2025-10-03   
534-243 1 Hudson WI   225C ONVOY, LLC - WI 352   2026-01-04   
534-243 6 Hudson WI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2026-02-16   
534-243 7 Hudson WI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2026-02-16   
534-243 8 Hudson WI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2026-02-15   
534-243 9 Hudson WI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2026-02-07   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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