Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 951

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-951 A Fort Atkinson WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2024-02-12   
920-951 0 Fort Atkinson WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2024-02-12   
920-951 1 Fort Atkinson WI   6529 T-MOBILE USA, INC. 356   2025-02-17   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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