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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-221 A Benton CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
442-221 0 Benton CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-10-12   
442-221 1 Benton CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-09-28   
442-221 2 Benton CA   145J TERRA NOVA TELECOM INC. 730   2026-02-05   
442-221 3 Benton CA   073H TELNYX LLC 730   2018-06-05   
442-221 4 Benton CA   649C ONVOY, LLC - CA 730   2019-03-03   
442-221 5 Benton CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
442-221 6 Benton CA   649C ONVOY, LLC - CA 730   2019-03-03   
442-221 7 Benton CA   508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-06-27   
442-221 8 Benton CA   649C ONVOY, LLC - CA 730   2018-04-12   
442-221 9 Benton CA   649C ONVOY, LLC - CA 730   2018-04-12   

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

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