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: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-252 A Calexico CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
442-252 0 Calexico CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2014-12-20   
442-252 1 Calexico CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2014-12-23   
442-252 2 Calexico CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-03-18   
442-252 3 Calexico CA SNDGCA02X5Z  9262 UTILITY TELECOM GROUP, LLC - CA 732   2015-07-25   
442-252 4 Calexico CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2015-03-07   
442-252 6 Calexico CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-03-18   
442-252 7 Calexico CA SNDGCA0291Z  793K TWC IP ENABLED SERVICES, LLC 732   2016-05-26   
442-252 8 Calexico CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2016-08-20   
442-252 9 Calexico CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-09   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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