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: 485

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-485 A Barstow: Barstow DA CA VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2025-03-21   
442-485 0 Barstow: Barstow DA CA VTVLCAXAX0Y  624H ONVOY SPECTRUM, LLC 730   2025-03-21   
442-485 1 Barstow: Barstow DA CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-05-18   
442-485 9 Barstow: Barstow DA CA ANHMCANG4MD  829J PAETEC ITEL, LLC 730   2026-07-04   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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