Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-564 A Davis CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-564 0 Davis CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2007-09-19   
530-564 1 Davis CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-564 2 Davis CA   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2013-10-07   
530-564 3 Davis CA   649C ONVOY, LLC - CA 726   2011-09-26   
530-564 4 Davis CA   318J COMCAST IP PHONE, LLC 726   2008-10-10   
530-564 5 Davis CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2012-01-15   
530-564 6 Davis CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2014-11-13   
530-564 7 Davis CA   318J COMCAST IP PHONE, LLC 726   2013-05-28   
530-564 8 Davis CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2014-11-13   
530-564 9 Davis CA   6529 T-MOBILE USA, INC. 726   2014-10-07   

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

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