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: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-381 A Indio CA PLSPCAXG06Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 973      
442-381 0 Indio CA   939H COMMIO, LLC 973   2024-01-20   
442-381 1 Indio CA   732J NUSO, LLC 973   2023-12-10   
442-381 2 Indio CA   732J NUSO, LLC 973   2023-12-10   
442-381 3 Indio CA   197D VONAGE AMERICA LLC 973   2023-12-24   
442-381 4 Indio CA   939H COMMIO, LLC 973   2024-01-20   
442-381 5 Indio CA   939H COMMIO, LLC 973   2024-01-20   
442-381 6 Indio CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 973   2024-01-10   
442-381 7 Indio CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 973   2024-03-07   
442-381 8 Indio CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 973   2022-07-25   
442-381 9 Indio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 973   2024-01-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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