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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-999 6 Escondido CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2011-09-25   
442-999 7 Escondido CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2014-03-27   
442-999 8 Escondido CA SNDGCA0255Z  073H TELNYX LLC 732   2017-03-24   
442-999 9 Escondido CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2010-11-20   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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