Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-493 A Victorville: Hesperia DA CA   6529 T-MOBILE USA, INC. 730   2025-12-12   
442-493 2 Victorville: Hesperia DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-08-03   
442-493 9 Victorville: Hesperia DA CA   6529 T-MOBILE USA, INC. 730   2025-12-12   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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