Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 840

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-840 A Gilroy CA SNJSCA13DS0  7480 PACIFIC BELL (COMPETITIVE) 722      
408-840 0 Gilroy CA   649C ONVOY, LLC - CA 722   2007-04-07   
408-840 1 Gilroy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-06-17   
408-840 2 Gilroy CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-10   
408-840 3 Gilroy CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-13   
408-840 4 Gilroy CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-01-10   
408-840 5 Gilroy CA   5562 METROPCS, INC. 722   2005-08-12   
408-840 6 Gilroy CA   5562 METROPCS, INC. 722   2005-08-12   
408-840 7 Gilroy CA   7480 PACIFIC BELL (COMPETITIVE) 722      
408-840 8 Gilroy CA   624H ONVOY SPECTRUM, LLC 722   2024-08-18   
408-840 9 Gilroy CA   5562 METROPCS, INC. 722   2006-07-16   

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

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