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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-999 A Escondido CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
442-999 0 Escondido CA   6529 T-MOBILE USA, INC. 732   2011-04-06   
442-999 1 Escondido CA   5562 METROPCS, INC. 732   2011-04-06   
442-999 2 Escondido CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2011-02-11   
442-999 3 Escondido CA   5562 METROPCS, INC. 732   2013-06-24   
442-999 4 Escondido CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2014-03-27   
442-999 5 Escondido CA   516C AT&T CORP. 732   2011-08-05   
442-999 6 Escondido CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2011-09-25   
442-999 7 Escondido CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2014-03-27   
442-999 8 Escondido CA   073H TELNYX LLC 732   2017-03-24   
442-999 9 Escondido CA   649C ONVOY, LLC - CA 732   2010-11-20   

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

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