Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 801 [Rate centres in NPA 801] [Dial plan for NPA 801]

NXX: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
801-283 A Provo UT SLKDUTVF0MD  6630 USA MOBILITY WIRELESS, INC. 660      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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