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: 870

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-870 A Sheboygan Falls WI MILWWIAU11Z  490J BOOST SUBSCRIBERCO L.L.C. 356      
920-870 0 Sheboygan Falls WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2024-03-08   
920-870 9 Sheboygan Falls WI MILWWIAU11Z  490J BOOST SUBSCRIBERCO L.L.C. 356   2023-06-18   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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